ui(members' avatars): avatars are more responsive

src/styles/members.scss

@@ -70,13 +70,21 @@
         }
 
         sib-display-img {
-          flex-basis:150px;
-          height: 300px;
+          background-color: white;
+          border-radius: 50%;
+          height: 28vh;
           margin: 1em auto;
-          width: 50%;
+          overflow: hidden;
+          position: relative;
+          width: 28vh;
+
 
           img {
-            border-radius: 100%;
+            height: 100%;
+            left: 0;
+            object-fit: cover;
+            position: absolute;
+            top: 0;
             width: 100%;
           }
         }