// 选择边框
.info-select {
  border: 1px solid #2f54eb !important;
  position: relative;
  overflow: hidden;
}
.info-select::after {
  content: ' ';
  width: 0;
  height: 0;
  border-top: 25px solid #2f54eb;
  border-left: 25px solid transparent;
  top: 0;
  right: 0;
  position: absolute;
}
.info-select::before {
  top: -3px;
  right: -1px;
  position: absolute;
  content: '\e6cc';
  color: #fff;
  z-index: 1;
}