css 单选框 样式 填充自定义背景 after

 input[type='radio']
                 //width 16px
                 //height 16px
                 display none
             //input[type='radio']:chcked
             //    backgound #006a45
             input:disabled
                 background #f5f5f5
             input:checked + i
                 background-color #f6f8f9
                 color #bbb;
                 border 1px solid #e1e1e1
             input + i
                 box-shadow 0 1px 2px rgba(0,0,0,0.05), inset 0px -15px 10px -12px rgba(0,0,0,0.05)
                 padding 8px
                 border-radius 50px
                 display inline-block
                 position relative
             input:checked + i::after
                 content ' '
                 width 8px
                 height 8px
                 border-radius 50%
                 position absolute
                 top: 4px
                 background #019c66
                 box-shadow inset 0px 0px 10px rgba(0,0,0,0.3)
                 text-shadow 0px
                 left 4px
                 font-size 32px