css製作導航欄小三角形箭頭 .clearance-product-title span.active:after ,.clearance-product-title span:hover:afte

.clearance-product-title span.active:after ,.clearance-product-title span:hover:after {
border: dashed transparent;
border-top: solid #fece00;
border-width: 10px 10px 0;
margin-left: -10px;
position: absolute;
bottom: -10px;
left: 50%;
content: ”;
}