Styled the button to admin place

public/sass/_header.scss

@@ -28,6 +28,27 @@ header {
         left: 5%;
 
         width: 10vw;
+        padding: 2vh 0px;
+
+        $backgroundColor: rgb(231, 111, 75);
+
+        background-color: $backgroundColor; 
+        border: 1px solid adjust-color($color: $backgroundColor, $saturation: 33%, $alpha: 1.0);
+        border-radius: 5px;
+
+        color: #fff;
+        font-weight: bold;
+
+        cursor: pointer;
+
+        transition: ease-in-out 0.1s;
+
+        &:hover {
+            background-color: adjust-color($color: $backgroundColor, $blackness: 10%, $alpha: 1.0);
+
+            transition: ease-in-out 0.2s;
+
+        }
     }
 }