diff --git a/angular.json b/angular.json
index 1fd3a52..7c0170d 100644
--- a/angular.json
+++ b/angular.json
@@ -27,7 +27,10 @@
             "tsConfig": "tsconfig.app.json",
             "aot": true,
             "assets": ["src/favicon.ico", "src/assets"],
-            "styles": ["src/styles.scss"],
+            "styles": [
+              "./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
+              "src/styles.scss"
+            ],
             "scripts": []
           },
           "configurations": {
@@ -85,7 +88,10 @@
             "tsConfig": "tsconfig.spec.json",
             "karmaConfig": "karma.conf.js",
             "assets": ["src/favicon.ico", "src/assets"],
-            "styles": ["src/styles.scss"],
+            "styles": [
+              "./node_modules/@angular/material/prebuilt-themes/indigo-pink.css",
+              "src/styles.scss"
+            ],
             "scripts": []
           }
         },
diff --git a/package-lock.json b/package-lock.json
index ea8bd0e..9fd4d7e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,10 +9,12 @@
       "version": "0.0.0",
       "dependencies": {
         "@angular/animations": "11.2.10",
+        "@angular/cdk": "^11.2.12",
         "@angular/common": "11.2.10",
         "@angular/compiler": "11.2.10",
         "@angular/core": "11.2.10",
         "@angular/forms": "11.2.10",
+        "@angular/material": "^11.2.12",
         "@angular/platform-browser": "11.2.10",
         "@angular/platform-browser-dynamic": "11.2.10",
         "@angular/router": "11.2.10",
@@ -358,6 +360,27 @@
         "@angular/core": "11.2.10"
       }
     },
+    "node_modules/@angular/cdk": {
+      "version": "11.2.12",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-11.2.12.tgz",
+      "integrity": "sha512-LImCQQ7n5OnTGXBAx1BaHgBBbdXiEtsNcHk5RvVURya9sswRcXRoa48EG3RyuT8mtqWsUdOX9+v4nCINLG4hZA==",
+      "dependencies": {
+        "tslib": "^2.0.0"
+      },
+      "optionalDependencies": {
+        "parse5": "^5.0.0"
+      },
+      "peerDependencies": {
+        "@angular/common": "^11.0.0 || ^12.0.0-0",
+        "@angular/core": "^11.0.0 || ^12.0.0-0"
+      }
+    },
+    "node_modules/@angular/cdk/node_modules/parse5": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+      "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
+      "optional": true
+    },
     "node_modules/@angular/cli": {
       "version": "11.2.10",
       "resolved": "https://registry.npmjs.org/@angular/cli/-/cli-11.2.10.tgz",
@@ -497,6 +520,21 @@
         "rxjs": "^6.5.3"
       }
     },
+    "node_modules/@angular/material": {
+      "version": "11.2.12",
+      "resolved": "https://registry.npmjs.org/@angular/material/-/material-11.2.12.tgz",
+      "integrity": "sha512-n3HDKoM552jLcmxtpTYzMUzV6V9vUBKyNs7SNdUfjuK00VJlTWMu03g/QWOj2Y9KftOuDUa8+N2XodwAr+jtCw==",
+      "dependencies": {
+        "tslib": "^2.0.0"
+      },
+      "peerDependencies": {
+        "@angular/animations": "^11.0.0 || ^12.0.0-0",
+        "@angular/cdk": "11.2.12",
+        "@angular/common": "^11.0.0 || ^12.0.0-0",
+        "@angular/core": "^11.0.0 || ^12.0.0-0",
+        "@angular/forms": "^11.0.0 || ^12.0.0-0"
+      }
+    },
     "node_modules/@angular/platform-browser": {
       "version": "11.2.10",
       "resolved": "https://registry.npmjs.org/@angular/platform-browser/-/platform-browser-11.2.10.tgz",
@@ -19173,6 +19211,23 @@
         "tslib": "^2.0.0"
       }
     },
+    "@angular/cdk": {
+      "version": "11.2.12",
+      "resolved": "https://registry.npmjs.org/@angular/cdk/-/cdk-11.2.12.tgz",
+      "integrity": "sha512-LImCQQ7n5OnTGXBAx1BaHgBBbdXiEtsNcHk5RvVURya9sswRcXRoa48EG3RyuT8mtqWsUdOX9+v4nCINLG4hZA==",
+      "requires": {
+        "parse5": "^5.0.0",
+        "tslib": "^2.0.0"
+      },
+      "dependencies": {
+        "parse5": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+          "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
+          "optional": true
+        }
+      }
+    },
     "@angular/cli": {
       "version": "11.2.10",
       "resolved": "https://registry.npmjs.org/@angular/cli/-/cli-11.2.10.tgz",
@@ -19272,6 +19327,14 @@
         "tslib": "^2.0.0"
       }
     },
+    "@angular/material": {
+      "version": "11.2.12",
+      "resolved": "https://registry.npmjs.org/@angular/material/-/material-11.2.12.tgz",
+      "integrity": "sha512-n3HDKoM552jLcmxtpTYzMUzV6V9vUBKyNs7SNdUfjuK00VJlTWMu03g/QWOj2Y9KftOuDUa8+N2XodwAr+jtCw==",
+      "requires": {
+        "tslib": "^2.0.0"
+      }
+    },
     "@angular/platform-browser": {
       "version": "11.2.10",
       "resolved": "https://registry.npmjs.org/@angular/platform-browser/-/platform-browser-11.2.10.tgz",
diff --git a/package.json b/package.json
index 9dabd53..331a476 100644
--- a/package.json
+++ b/package.json
@@ -14,10 +14,12 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "11.2.10",
+    "@angular/cdk": "^11.2.12",
     "@angular/common": "11.2.10",
     "@angular/compiler": "11.2.10",
     "@angular/core": "11.2.10",
     "@angular/forms": "11.2.10",
+    "@angular/material": "^11.2.12",
     "@angular/platform-browser": "11.2.10",
     "@angular/platform-browser-dynamic": "11.2.10",
     "@angular/router": "11.2.10",
diff --git a/src/app/app-routing.module.ts b/src/app/app-routing.module.ts
index f3daf25..ebdffa8 100644
--- a/src/app/app-routing.module.ts
+++ b/src/app/app-routing.module.ts
@@ -1,7 +1,14 @@
 import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
 
-const routes: Routes = [];
+import { WelcomeComponent } from './welcome/welcome.component';
+import { App1Component } from './app1/app1.component';
+
+const routes: Routes = [
+  { path: '', redirectTo: '/welcome', pathMatch: 'full' },
+  { path: 'welcome', component: WelcomeComponent },
+  { path: 'app1', component: App1Component },
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],
diff --git a/src/app/app.component.html b/src/app/app.component.html
index 4bb537b..4c4ebc3 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -1,908 +1,11 @@
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * Delete the template below * * * * * * * * * * -->
-<!-- * * * * * * * to get started with your project! * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-<style>
-  :host {
-    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
-      Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji",
-      "Segoe UI Symbol";
-    font-size: 14px;
-    color: #333;
-    box-sizing: border-box;
-    -webkit-font-smoothing: antialiased;
-    -moz-osx-font-smoothing: grayscale;
-  }
-
-  h1,
-  h2,
-  h3,
-  h4,
-  h5,
-  h6 {
-    margin: 8px 0;
-  }
-
-  p {
-    margin: 0;
-  }
-
-  .spacer {
-    flex: 1;
-  }
-
-  .toolbar {
-    position: absolute;
-    top: 0;
-    left: 0;
-    right: 0;
-    height: 60px;
-    display: flex;
-    align-items: center;
-    background-color: #1976d2;
-    color: white;
-    font-weight: 600;
-  }
-
-  .toolbar img {
-    margin: 0 16px;
-  }
-
-  .toolbar #twitter-logo {
-    height: 40px;
-    margin: 0 8px;
-  }
-
-  .toolbar #youtube-logo {
-    height: 40px;
-    margin-left: 16px;
-  }
-
-  .toolbar #twitter-logo:hover,
-  .toolbar #youtube-logo:hover {
-    opacity: 0.8;
-  }
-
-  .content {
-    display: flex;
-    margin: 82px auto 32px;
-    padding: 0 16px;
-    max-width: 960px;
-    flex-direction: column;
-    align-items: center;
-  }
-
-  svg.material-icons {
-    height: 24px;
-    width: auto;
-  }
-
-  svg.material-icons:not(:last-child) {
-    margin-right: 8px;
-  }
-
-  .card svg.material-icons path {
-    fill: #888;
-  }
-
-  .card-container {
-    display: flex;
-    flex-wrap: wrap;
-    justify-content: center;
-    margin-top: 16px;
-  }
-
-  .card {
-    border-radius: 4px;
-    border: 1px solid #eee;
-    background-color: #fafafa;
-    height: 40px;
-    width: 200px;
-    margin: 0 8px 16px;
-    padding: 16px;
-    display: flex;
-    flex-direction: row;
-    justify-content: center;
-    align-items: center;
-    transition: all 0.2s ease-in-out;
-    line-height: 24px;
-  }
-
-  .card-container .card:not(:last-child) {
-    margin-right: 0;
-  }
-
-  .card.card-small {
-    height: 16px;
-    width: 168px;
-  }
-
-  .card-container .card:not(.highlight-card) {
-    cursor: pointer;
-  }
-
-  .card-container .card:not(.highlight-card):hover {
-    transform: translateY(-3px);
-    box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
-  }
-
-  .card-container .card:not(.highlight-card):hover .material-icons path {
-    fill: rgb(105, 103, 103);
-  }
-
-  .card.highlight-card {
-    background-color: #1976d2;
-    color: white;
-    font-weight: 600;
-    border: none;
-    width: auto;
-    min-width: 30%;
-    position: relative;
-  }
-
-  .card.card.highlight-card span {
-    margin-left: 60px;
-  }
-
-  svg#rocket {
-    width: 80px;
-    position: absolute;
-    left: -10px;
-    top: -24px;
-  }
-
-  svg#rocket-smoke {
-    height: calc(100vh - 95px);
-    position: absolute;
-    top: 10px;
-    right: 180px;
-    z-index: -10;
-  }
-
-  a,
-  a:visited,
-  a:hover {
-    color: #1976d2;
-    text-decoration: none;
-  }
-
-  a:hover {
-    color: #125699;
-  }
-
-  .terminal {
-    position: relative;
-    width: 80%;
-    max-width: 600px;
-    border-radius: 6px;
-    padding-top: 45px;
-    margin-top: 8px;
-    overflow: hidden;
-    background-color: rgb(15, 15, 16);
-  }
-
-  .terminal::before {
-    content: "\2022 \2022 \2022";
-    position: absolute;
-    top: 0;
-    left: 0;
-    height: 4px;
-    background: rgb(58, 58, 58);
-    color: #c2c3c4;
-    width: 100%;
-    font-size: 2rem;
-    line-height: 0;
-    padding: 14px 0;
-    text-indent: 4px;
-  }
-
-  .terminal pre {
-    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
-    color: white;
-    padding: 0 1rem 1rem;
-    margin: 0;
-  }
-
-  .circle-link {
-    height: 40px;
-    width: 40px;
-    border-radius: 40px;
-    margin: 8px;
-    background-color: white;
-    border: 1px solid #eeeeee;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-    cursor: pointer;
-    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
-    transition: 1s ease-out;
-  }
-
-  .circle-link:hover {
-    transform: translateY(-0.25rem);
-    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
-  }
-
-  footer {
-    margin-top: 8px;
-    display: flex;
-    align-items: center;
-    line-height: 20px;
-  }
-
-  footer a {
-    display: flex;
-    align-items: center;
-  }
-
-  .github-star-badge {
-    color: #24292e;
-    display: flex;
-    align-items: center;
-    font-size: 12px;
-    padding: 3px 10px;
-    border: 1px solid rgba(27, 31, 35, 0.2);
-    border-radius: 3px;
-    background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
-    margin-left: 4px;
-    font-weight: 600;
-    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,
-      sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
-  }
-
-  .github-star-badge:hover {
-    background-image: linear-gradient(-180deg, #f0f3f6, #e6ebf1 90%);
-    border-color: rgba(27, 31, 35, 0.35);
-    background-position: -0.5em;
-  }
-
-  .github-star-badge .material-icons {
-    height: 16px;
-    width: 16px;
-    margin-right: 4px;
-  }
-
-  svg#clouds {
-    position: fixed;
-    bottom: -160px;
-    left: -230px;
-    z-index: -10;
-    width: 1920px;
-  }
-
-  /* Responsive Styles */
-  @media screen and (max-width: 767px) {
-    .card-container > *:not(.circle-link),
-    .terminal {
-      width: 100%;
-    }
-
-    .card:not(.highlight-card) {
-      height: 16px;
-      margin: 8px 0;
-    }
-
-    .card.highlight-card span {
-      margin-left: 72px;
-    }
-
-    svg#rocket-smoke {
-      right: 120px;
-      transform: rotate(-5deg);
-    }
-  }
-
-  @media screen and (max-width: 575px) {
-    svg#rocket-smoke {
-      display: none;
-      visibility: hidden;
-    }
-  }
-</style>
-
-<!-- Toolbar -->
-<div class="toolbar" role="banner">
-  <img
-    width="40"
-    alt="Angular Logo"
-    src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg=="
-  />
-  <span>Welcome</span>
-  <div class="spacer"></div>
-  <a
-    aria-label="Angular on twitter"
-    target="_blank"
-    rel="noopener"
-    href="https://twitter.com/angular"
-    title="Twitter"
-  >
-    <svg
-      id="twitter-logo"
-      height="24"
-      data-name="Logo"
-      xmlns="http://www.w3.org/2000/svg"
-      viewBox="0 0 400 400"
-    >
-      <rect width="400" height="400" fill="none" />
-      <path
-        d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23"
-        fill="#fff"
-      />
-    </svg>
-  </a>
-  <a
-    aria-label="Angular on YouTube"
-    target="_blank"
-    rel="noopener"
-    href="https://youtube.com/angular"
-    title="YouTube"
-  >
-    <svg
-      id="youtube-logo"
-      height="24"
-      width="24"
-      data-name="Logo"
-      xmlns="http://www.w3.org/2000/svg"
-      viewBox="0 0 24 24"
-      fill="#fff"
-    >
-      <path d="M0 0h24v24H0V0z" fill="none" />
-      <path
-        d="M21.58 7.19c-.23-.86-.91-1.54-1.77-1.77C18.25 5 12 5 12 5s-6.25 0-7.81.42c-.86.23-1.54.91-1.77 1.77C2 8.75 2 12 2 12s0 3.25.42 4.81c.23.86.91 1.54 1.77 1.77C5.75 19 12 19 12 19s6.25 0 7.81-.42c.86-.23 1.54-.91 1.77-1.77C22 15.25 22 12 22 12s0-3.25-.42-4.81zM10 15V9l5.2 3-5.2 3z"
-      />
-    </svg>
-  </a>
-</div>
-
-<div class="content" role="main">
-  <!-- Highlight Card -->
-  <div class="card highlight-card card-small">
-    <svg
-      id="rocket"
-      alt="Rocket Ship"
-      xmlns="http://www.w3.org/2000/svg"
-      width="101.678"
-      height="101.678"
-      viewBox="0 0 101.678 101.678"
-    >
-      <g id="Group_83" data-name="Group 83" transform="translate(-141 -696)">
-        <circle
-          id="Ellipse_8"
-          data-name="Ellipse 8"
-          cx="50.839"
-          cy="50.839"
-          r="50.839"
-          transform="translate(141 696)"
-          fill="#dd0031"
-        />
-        <g
-          id="Group_47"
-          data-name="Group 47"
-          transform="translate(165.185 720.185)"
-        >
-          <path
-            id="Path_33"
-            data-name="Path 33"
-            d="M3.4,42.615a3.084,3.084,0,0,0,3.553,3.553,21.419,21.419,0,0,0,12.215-6.107L9.511,30.4A21.419,21.419,0,0,0,3.4,42.615Z"
-            transform="translate(0.371 3.363)"
-            fill="#fff"
-          />
-          <path
-            id="Path_34"
-            data-name="Path 34"
-            d="M53.3,3.221A3.09,3.09,0,0,0,50.081,0,48.227,48.227,0,0,0,18.322,13.437c-6-1.666-14.991-1.221-18.322,7.218A33.892,33.892,0,0,1,9.439,25.1l-.333.666a3.013,3.013,0,0,0,.555,3.553L23.985,43.641a2.9,2.9,0,0,0,3.553.555l.666-.333A33.892,33.892,0,0,1,32.647,53.3c8.55-3.664,8.884-12.326,7.218-18.322A48.227,48.227,0,0,0,53.3,3.221ZM34.424,9.772a6.439,6.439,0,1,1,9.106,9.106,6.368,6.368,0,0,1-9.106,0A6.467,6.467,0,0,1,34.424,9.772Z"
-            transform="translate(0 0.005)"
-            fill="#fff"
-          />
-        </g>
-      </g>
-    </svg>
-
-    <span>{{ title }} app is running!</span>
-
-    <svg
-      id="rocket-smoke"
-      alt="Rocket Ship Smoke"
-      xmlns="http://www.w3.org/2000/svg"
-      width="516.119"
-      height="1083.632"
-      viewBox="0 0 516.119 1083.632"
-    >
-      <path
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-  <div class="terminal" [ngSwitch]="selection.value">
-    <pre *ngSwitchDefault>ng generate component xyz</pre>
-    <pre *ngSwitchCase="'material'">ng add @angular/material</pre>
-    <pre *ngSwitchCase="'pwa'">ng add @angular/pwa</pre>
-    <pre *ngSwitchCase="'dependency'">ng add _____</pre>
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-          <path d="M0 0h24v24H0z" fill="none" />
-          <path
-            d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"
-          />
-        </svg>
-        Star
-      </div>
-    </a>
-    <a href="https://github.com/angular/angular" target="_blank" rel="noopener">
-      <svg
-        class="material-icons"
-        xmlns="http://www.w3.org/2000/svg"
-        width="24"
-        height="24"
-        viewBox="0 0 24 24"
-      >
-        <path
-          d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"
-          fill="#1976d2"
-        />
-        <path d="M0 0h24v24H0z" fill="none" />
-      </svg>
-    </a>
-  </footer>
-
-  <svg
-    id="clouds"
-    alt="Gray Clouds Background"
-    xmlns="http://www.w3.org/2000/svg"
-    width="2611.084"
-    height="485.677"
-    viewBox="0 0 2611.084 485.677"
-  >
-    <path
-      id="Path_39"
-      data-name="Path 39"
-      d="M2379.709,863.793c10-93-77-171-168-149-52-114-225-105-264,15-75,3-140,59-152,133-30,2.83-66.725,9.829-93.5,26.25-26.771-16.421-63.5-23.42-93.5-26.25-12-74-77-130-152-133-39-120-212-129-264-15-54.084-13.075-106.753,9.173-138.488,48.9-31.734-39.726-84.4-61.974-138.487-48.9-52-114-225-105-264,15a162.027,162.027,0,0,0-103.147,43.044c-30.633-45.365-87.1-72.091-145.206-58.044-52-114-225-105-264,15-75,3-140,59-152,133-53,5-127,23-130,83-2,42,35,72,70,86,49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33,61.112,8.015,113.854-5.72,150.492-29.764a165.62,165.62,0,0,0,110.861-3.236c47,94,178,113,251,33,31.385,4.116,60.563,2.495,86.487-3.311,25.924,5.806,55.1,7.427,86.488,3.311,73,80,204,61,251-33a165.625,165.625,0,0,0,120,0c51,13,108,15,157-5a147.188,147.188,0,0,0,33.5-18.694,147.217,147.217,0,0,0,33.5,18.694c49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33C2446.709,1093.793,2554.709,922.793,2379.709,863.793Z"
-      transform="translate(142.69 -634.312)"
-      fill="#eee"
-    />
-  </svg>
-</div>
-
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * The content above * * * * * * * * * * * -->
-<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
-<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-<!-- * * * * * * * * * * End of Placeholder * * * * * * * * * * * -->
-<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
-
-<router-outlet></router-outlet>
+<mat-sidenav-container>
+  <mat-sidenav mode="side" opened [fixedInViewport]="true">
+    <mat-nav-list>
+      <a mat-list-item routerLink="/welcome">Welcome</a>
+      <a mat-list-item routerLink="app1">App1</a>
+    </mat-nav-list>
+  </mat-sidenav>
+  <mat-sidenav-content>
+    <router-outlet></router-outlet>
+  </mat-sidenav-content>
+</mat-sidenav-container>
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 68937b4..45caafd 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -1,12 +1,24 @@
 import { NgModule } from '@angular/core';
 import { BrowserModule } from '@angular/platform-browser';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+
+import { MatSidenavModule } from '@angular/material/sidenav';
+import { MatListModule } from '@angular/material/list';
 
 import { AppRoutingModule } from './app-routing.module';
 import { AppComponent } from './app.component';
+import { App1Component } from './app1/app1.component';
+import { WelcomeComponent } from './welcome/welcome.component';
 
 @NgModule({
-  declarations: [AppComponent],
-  imports: [BrowserModule, AppRoutingModule],
+  declarations: [AppComponent, App1Component, WelcomeComponent],
+  imports: [
+    BrowserModule,
+    BrowserAnimationsModule,
+    MatSidenavModule,
+    MatListModule,
+    AppRoutingModule,
+  ],
   providers: [],
   bootstrap: [AppComponent],
 })
diff --git a/src/app/app1/app1.component.html b/src/app/app1/app1.component.html
new file mode 100644
index 0000000..c0ac303
--- /dev/null
+++ b/src/app/app1/app1.component.html
@@ -0,0 +1 @@
+<p>app1 works!</p>
diff --git a/src/app/app1/app1.component.scss b/src/app/app1/app1.component.scss
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/app1/app1.component.spec.ts b/src/app/app1/app1.component.spec.ts
new file mode 100644
index 0000000..dd60d80
--- /dev/null
+++ b/src/app/app1/app1.component.spec.ts
@@ -0,0 +1,24 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { App1Component } from './app1.component';
+
+describe('App1Component', () => {
+  let component: App1Component;
+  let fixture: ComponentFixture<App1Component>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [App1Component],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(App1Component);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/app1/app1.component.ts b/src/app/app1/app1.component.ts
new file mode 100644
index 0000000..ecfb6e1
--- /dev/null
+++ b/src/app/app1/app1.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-app1',
+  templateUrl: './app1.component.html',
+  styleUrls: ['./app1.component.scss'],
+})
+export class App1Component implements OnInit {
+  constructor() {}
+
+  ngOnInit(): void {}
+}
diff --git a/src/app/welcome/welcome.component.html b/src/app/welcome/welcome.component.html
new file mode 100644
index 0000000..6b4f37e
--- /dev/null
+++ b/src/app/welcome/welcome.component.html
@@ -0,0 +1 @@
+<p>welcome works!</p>
diff --git a/src/app/welcome/welcome.component.scss b/src/app/welcome/welcome.component.scss
new file mode 100644
index 0000000..e69de29
diff --git a/src/app/welcome/welcome.component.spec.ts b/src/app/welcome/welcome.component.spec.ts
new file mode 100644
index 0000000..90108f1
--- /dev/null
+++ b/src/app/welcome/welcome.component.spec.ts
@@ -0,0 +1,24 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WelcomeComponent } from './welcome.component';
+
+describe('WelcomeComponent', () => {
+  let component: WelcomeComponent;
+  let fixture: ComponentFixture<WelcomeComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [WelcomeComponent],
+    }).compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WelcomeComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/src/app/welcome/welcome.component.ts b/src/app/welcome/welcome.component.ts
new file mode 100644
index 0000000..6c97914
--- /dev/null
+++ b/src/app/welcome/welcome.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-welcome',
+  templateUrl: './welcome.component.html',
+  styleUrls: ['./welcome.component.scss'],
+})
+export class WelcomeComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit(): void {}
+}
diff --git a/src/index.html b/src/index.html
index 05b362b..92435da 100644
--- a/src/index.html
+++ b/src/index.html
@@ -6,8 +6,17 @@
     <base href="/" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link rel="preconnect" href="https://fonts.gstatic.com" />
+    <link
+      href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap"
+      rel="stylesheet"
+    />
+    <link
+      href="https://fonts.googleapis.com/icon?family=Material+Icons"
+      rel="stylesheet"
+    />
   </head>
-  <body>
+  <body class="mat-typography">
     <app-root></app-root>
   </body>
 </html>
diff --git a/src/styles.scss b/src/styles.scss
index 90d4ee0..5256e9a 100644
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -1 +1,10 @@
 /* You can add global styles to this file, and also import other style files */
+
+html,
+body {
+  height: 100%;
+}
+body {
+  margin: 0;
+  font-family: Roboto, "Helvetica Neue", sans-serif;
+}