优化 remark 样式

scss/components/_remark.scss

@@ -24,4 +24,15 @@
     background-color: $Remark-onHover-bg;
     border-color: $Remark-onHover-borderColor;
   }
+
+  > svg {
+    top: 0;
+    width: ($Remark-width - px2rem(2px));
+    height: ($Remark-width - px2rem(2px));
+    color: $Remark-iconColor;
+  }
+
+  &:hover > svg {
+    color: $Remark-onHover-iconColor;
+  }
 }

scss/components/form/_form.scss

@@ -79,7 +79,7 @@
   }
 
   .#{$ns}Form-remark {
-    margin-top: ($Form-input-height - $fontSizeBase) / 2;
+    padding-top: $Form-label-paddingTop;
     vertical-align: top;
   }
 
@@ -271,10 +271,6 @@
           display: inline-block;
         }
 
-        > .#{$ns}Remark {
-          padding-top: $Form-label-paddingTop;
-        }
-
         > .#{$ns}Form-control.#{$ns}InputGroup {
           display: inline-flex;
         }