Refined member gravatar design

no issue.
- removed halo from member gravatars

app/styles/layouts/members.css

@@ -5,6 +5,8 @@
 /* ----------------------------------------- */
 .gh-member-gravatar {
     position: relative;
+    overflow: hidden;
+    border-radius: 100%;
 }
 
 .gh-member-avatar-label {
@@ -15,16 +17,16 @@
 .gh-member-avatar-image {
     display: block;
     position: absolute;
-    top: 0;
-    right: 0;
-    bottom: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    box-sizing: content-box;
-    background-position: center center;
-    background-size: cover;
-    border-radius: 100%;
+    display: block;
+    position: absolute;
+    top: -1px;
+    right: -1px;
+    bottom: -1px;
+    left: -1px;
+    width: calc(100% + 2px);
+    height: calc(100% + 2px);
+    opacity: 1.0;
+    max-width: unset;
 }
 
 .gh-member-initials {