Dcat-Admin/resources/assets/dcat/sass/components/_layer.scss

.layui-layer {
  box-shadow: 0 2px 4px 0 rgba(0,0,0,.2)!important;
}

.layui-layer-title {
  padding: 0 80px 0 20px;
  height: 50px!important;
  line-height: 50px!important;
  border-bottom: 0!important;
  font-size: 1rem!important;
  text-transform: capitalize;
  overflow: hidden;
}
.layui-layer-setwin .layui-layer-min cite {
  background: transparent!important;
  position: initial!important;
}

.layui-layer-setwin .layui-layer-min cite:before {
  font-family: "feather";
  content: "\e897";
  font-size: 1.15rem;
  color: $font-color;
}

.layui-layer-ico {
  background: transparent!important;
  color: $font-color;
}

.layui-layer-setwin .layui-layer-max:before {
  font-family: "feather";
  content: "\e908";
  font-size: 1.1rem;
}
.layui-layer-setwin .layui-layer-maxmin:before {
  content: "\e88d";
}

.layui-layer-setwin .layui-layer-close1:before {
  font-family: "feather";
  content: "\e8f6";
  font-size: 1.15rem;
}
.layui-layer-setwin .layui-layer-close1 {
  margin-left: 8px!important;
}