.selectMaterial .search {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding-bottom: 10px;
}
.selectMaterial .content {
  height: 450px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
.selectMaterial .content .content-left {
  padding: 0 5px;
  width: 200px;
  height: 100%;
  border: 1px solid #e8eaec;
  overflow: auto;
}
.selectMaterial .content .content-right {
  height: 100%;
  width: 900px;
}