Makes close button look better

Author: anthony0030

assets/stylesheets/screen.css

@@ -222,6 +222,28 @@ td.strong {
   border-radius: 6px;
 }
 
+#cboxClose {
+  position: absolute;
+  top: -14px;
+  right: -14px;
+  width: 30px;
+  height: 30px;
+  background: #000;
+  border: 4px solid #fff;
+  border-radius: 100%;
+}
+
+#cboxClose::before {
+  text-indent: 0;
+  content: '×';
+  color: #fff;
+  font-size: 23px;
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+}
+
 #footer {
   color: #ddd;
   font-size: 12px;