thing.css

        &:after {
          content: "+";
          display: inline-block;
          float: right;
          font-size: 28/16*1em;
          font-weight: bold;
          padding-right: 4/16*1rem;
          position: absolute;
          right: 0;
          top: 0;
          cursor: pointer;

          &:hover {
            color: $color_yellow !important;
          }
        }