.font_13 {
    font-size: 13px;
}.font_14 {
    font-size: 14px;
}.font_16 {
    font-size: 16px;
}.font_18 {
    font-size: 18px;
}.font_20 {
    font-size: 20px;
}.font_22 {
    font-size: 22px;
}.font_24 {
    font-size: 24px;
}
.sub_selected{color:#57a3ea;position:relative}
.sub_selected:after{content:'';display:block;bottom:0;left:0;right:0;height:4px;background:#57a3ea;position:absolute}