.wk-prompt{
    float: right;
    margin-top: 15px;
    padding-right: 5px;
    color: #757575;
}
.icon-plus {
    width: 47px;
    height: 47px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    position: relative;
  }
  .icon-plus.w25 {
    width: 21px;
    height: 21px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
  }
  .icon-plus.w25:after {
    width: 14px;
    height: 4px;
    left: 4px;
    top: 9px;
  }
  .icon-plus.w25:before {
    width: 4px;
    height: 14px;
    left: 9px;
    top: 4px;
  }
  .icon-plus.orange {
    background: #FD7901;
  }
  .icon-plus.gray {
    background: #757575;
  }
  .icon-plus:after, .icon-plus:before {
    content: '';
    position: absolute;
    background: #FFF;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
  }
  .icon-plus:after {
    width: 25px;
    height: 6px;
    left: 11px;
    top: 20px;
  }
  .icon-plus:before {
    width: 6px;
    height: 25px;
    left: 20px;
    top: 11px;
  }