Update modifier class notation

src/components/user_card_content/user_card_content.js

@@ -18,9 +18,9 @@ export default {
   computed: {
     classes () {
       return [{
-        'user-card-content-rounded': this.rounded === true,
+        'user-card-content-rt': this.rounded === 'top', // set border-top-left-radius and border-top-right-radius
-        'user-card-content-rounded-t': this.rounded === 'top',  // top only
+        'user-card-content-r': this.rounded === true,   // set border-radius for all sides
-        'user-card-content-bordered': this.bordered
+        'user-card-content-b': this.bordered === true   // set border for all sides
       }]
     },
     style () {

src/components/user_card_content/user_card_content.vue

@@ -164,19 +164,19 @@
   //
   // Modifiers
 
-  &-rounded {
+  &-rt {
-    border-radius: $fallback--panelRadius;
+    border-top-left-radius: $fallback--panelRadius;
-    border-radius: var(--panelRadius, $fallback--panelRadius);
+    border-top-left-radius: var(--panelRadius, $fallback--panelRadius);
+    border-top-right-radius: $fallback--panelRadius;
+    border-top-right-radius: var(--panelRadius, $fallback--panelRadius);
   }
 
-  &-rounded-t {
+  &-r {
     border-radius: $fallback--panelRadius;
     border-radius: var(--panelRadius, $fallback--panelRadius);
-    border-bottom-left-radius: 0;
-    border-bottom-right-radius: 0;
   }
 
-  &-bordered {
+  &-b {
     border-width: 1px;
     border-style: solid;
     border-color: $fallback--border;