修改多选框样式

#table-checkbox{width:20px;height:20px;display: inline-block;text-align: center;vertical-align: middle; line-height: 18px;position: relative;}
#table-checkbox::before{content: "";position: absolute;top: 0;left: 0;background: #fff;width: 100%;height: 100%;border: 1px solid #d9d9d9}
#table-checkbox:checked::before{content: "\2713";background-color: #376CF0;position: absolute;top: 0;left: 0;width:100%;border: 1px solid #376CF0;color:#fff;font-size: 20px;font-weight: bold;}