cards components, charts fixes

scss/ui/_cards.scss

@@ -89,7 +89,7 @@
 .card-cover {
   position: relative;
   padding: $card-spacer-y $card-spacer-x;
-  background: #666 no-repeat center/cover;
+  background: #666666 no-repeat center/cover;
 
   &::before {
     position: absolute;
@@ -198,6 +198,17 @@ Card optinos
   color: $text-muted;
 }
 
+.card-drop {
+  line-height: 1;
+  color: $text-muted;
+
+  .icon {
+    width: 1.5rem;
+    height: 1.5rem;
+    stroke-width: 1;
+  }
+}
+
 /**
 Card status
  */
@@ -275,7 +286,7 @@ Card code
 
   pre {
     margin: 0;
-    color: #fff;
+    color: #ffffff;
     text-shadow: none;
     background: transparent;
   }
@@ -304,7 +315,7 @@ Card profile
   max-width: 6rem;
   margin-top: -5rem;
   margin-bottom: 1rem;
-  border: 3px solid #fff;
+  border: 3px solid #ffffff;
   border-radius: 100%;
   box-shadow: 0 1px 1px rgba(0, 0, 0, .1);
 }