123456789101112131415.span {position:relative;padding:5px;}.tip {display:block;background:#f00;border-radius:50%;width:8px;height:8px;top:0px;right:0px;position:absolute;}
红点大小修改:
.tip{width:8px;height:8px;}
红点位置修改:
.span{padding:5px;} .tip{top:0px;right:0px;}