fastadmin/public/assets/less/frontend.less

@import (reference) "bootstrap-less/mixins.less";
@import (reference) "bootstrap-less/variables.less";
@import "lesshat.less";

@import url("../css/bootstrap.min.css");
@import url("../css/fastadmin.min.css");
@import url("../css/skins/skin-green.css");
@import url("../css/iconfont.css");
@import url("../libs/font-awesome/css/font-awesome.min.css");
@import url("../libs/toastr/toastr.min.css");
@import url("../libs/layer/build/skin/default/layer.css");

.clearfix() {
    &:before,
        &:after {
        content: " ";
        display: table;
    }
    &:after {
        clear: both;
    }
}