change avater radius and re-arrange search button

Author: prokawsar

src/App.css

@@ -30,4 +30,5 @@
   width: 150px;
   display: block;
   margin: auto;
+  border-radius: 90px;
 }

src/Components/SearchBar.js

@@ -51,10 +51,11 @@ export default class SearchBar extends Component {
             <div>
                 <Input label="Type any Github Username" onChange={this.handleChange} group type="text" />
                 {/* <Input label="Type your password" icon="lock" group type="password" /> */}
+                <Button color="danger" onClick={this.handleSubmit} >{this.state.searchButton} <Fa icon="search" /></Button>
+
                 <Avatar
                     data={this.state.userData}
                 />
-                <Button color="danger" onClick={this.handleSubmit} >{this.state.searchButton} <Fa icon="search" /></Button>
                 <PanelBoard 
                     data={this.state.reposData}
                 />