modify: fix size of removet tag button

browser/main/Detail/TagSelect.js

@@ -111,7 +111,7 @@ class TagSelect extends React.Component {
             <button styleName='tag-removeButton'
               onClick={(e) => this.handleTagRemoveButtonClick(tag)(e)}
             >
-              <i className='fa fa-times fa-fw'/>
+              <i className='fa fa-times fa-fw tag-removeButton-icon'/>
             </button>
           </span>
         )

browser/main/Detail/TagSelect.styl

@@ -9,7 +9,7 @@ $ui-dark-theme-tag-bg = rgba(255, 255, 255, 0.3)
 .tag
   display inline-block
   margin 0 2px
-  padding 0 10px
+  padding-left 10px
   vertical-align middle
   height 20px
   background-color $ui-white-theme-tag-bg
@@ -25,6 +25,7 @@ $ui-dark-theme-tag-bg = rgba(255, 255, 255, 0.3)
   padding 0
   border-style solid
   border-width 0
+  border-radius 20px
   line-height 18px
   background-color transparent
   color $ui-button-color
@@ -37,6 +38,10 @@ $ui-dark-theme-tag-bg = rgba(255, 255, 255, 0.3)
   &:focus
     border-color $ui-button--focus-borderColor
 
+.tag-removeButton-icon
+  width 5px
+  padding-right 4px
+
 .tag-label
   font-size 12px
   font-weight bold