.doSearchBtn {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 25%;
          flex: 0 0 25%;
  max-width: 25%;
  position: relative;
  display: block;
  width: 100%;
  height: 2.5rem;
  min-height: 1px;
  line-height: 2.4rem;
  color: #fff;
  text-align: center;
  background-color: #1b86c9;
  border: 1px solid #1b86c9;
}