update

@@ -72,6 +72,12 @@
     border-radius: 5px;
     margin-top: -13px;
     -webkit-tap-highlight-color: rgba(0, 0, 0, 0.5);    
+    &:link,
+    &:visited,
+    &:hover,
+    &:actived {
+        color: #000;
+    }
 }
 
 .circle-rightbottom { 

@@ -39,7 +39,7 @@
             border: none;
             background: transparent;
             color: #b2b2b2;
-            font-size: 32rem / $pxConvertRem;
+            font-size: 30rem / $pxConvertRem;
             line-height: 56rem / $pxConvertRem;
         }
     }