💄 First round of styling

✨ Added new splash

frontend/src/components/UserCard.module.css

@@ -3,27 +3,29 @@
   flex-direction: column;
   align-items: center;
   padding: 4px;
-  border: 3px solid transparent;
+  border: 1px solid transparent;
   background: transparent;
-  border-radius: 8px;
+  border-radius: 4px;
+  color: var(--text);
   transition: background-color 0.1s ease-out, border 0.1s ease-out;
 }
 
 .user:hover {
-  border-color: rgba(25, 135, 84, 0.6);
-  background: rgba(0, 0, 0, 0.1);
+  border-color: var(--border);
+  cursor: pointer;
 }
 
 .active {
-  border-color: rgba(25, 135, 84, 0.6);
-  background: rgba(25, 135, 84, 0.2);
+  border-color: var(--border);
+  background: var(--border);
 }
 
 .active:hover {
-  background: rgba(25, 135, 84, 0.2);
+  /* TODO */
 }
 
 .avatar {
+  /* TODO: clip path */
   width: 50px;
   height: 50px;
   border-radius: 50px;