@media all and (max-width: 767px) {
  .select_box {
    position: relative;
    width: 225px;
    height: 45px;
    margin-top: 10px;
    border: 1px solid #e0e0e0;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    border-radius: 3px;
  }
  .select_box__bg {
    display: block;
    height: 45px;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    background: #f8f8f8;
    z-index: -1;
  }
  .select_box label {
    position: absolute;
    font-size: 14px;
    color: #777777;
    top: 14px;
    left: 12px;
    font-size: 14px;
    font-weight: bold;
  }
  .select_box select#color {
    width: 100%;
    height: 45px;
    min-height: 40px;
    line-height: 40px;
    padding: 0 20px;
    opacity: 0;
    filter: alpha(opacity=0); /* IE 8 */
  }
  .tri {
    display: block;
    position: absolute;
    top: 42%;
    right: 6%;
    width: 0;
    height: 0;
    border-top: 5px solid #777;
    border-bottom: 5px solid transparent;
    border-right: 5px solid transparent;
    border-left: 5px solid transparent;
  }
}