[Task]Client_Dropdown SCSS 구현

### **ISSUE**

- Group: `client`
- Type: `feature`
- Detail: fix actions from client redux

### **TODO**

- [ ]  Dropdown SCSS


### **Estimated time**

> Pick one
> 


### **`2h`**



### **Labels**

- Estimated time: `E: 2h`
- Group : `client`
- Sprint: `Sprint_Client_SCSS`
- Urgency: `Middle`,`
