修改原生checkbox的樣式

 原有樣式如圖

修改後的樣式如下：

以下代碼，不成功我把吊砍下來 

input[type=checkbox] {
  margin-right: 5px;
  cursor: pointer;
  font-size: 14px;
  width: 15px;
  height: 12px;
  position: relative;
}

input[type=checkbox]:after {
  position: absolute;
  width: 15px;
  height: 15px;
  top: 0;
  content: " ";
  color: #fff;
  display: inline-block;
  visibility: visible;
  padding: 0px 2px;
  border-radius: 3px;
  background:#FFFFFF;
  border:1px solid #DDDDDD;
}

input[type=checkbox]:checked:after {
   content: "✓";
  font-size: 12px;
  font-weight:600;
   background-color: #36AEFF;
}