.MapComponentAdd-btn{position:relative;display:inline-block;height:32px;line-height:30px;color:rgba(0,0,0,.65);font-size:14px;cursor:pointer;border:1px solid rgba(0,0,0,.15);padding:0 12px}.MapComponentAdd-btn:hover{color:#2783f2}.MapComponentAdd-btn.is-child{border:none;color:#2783f2;padding:0}.MapComponentAdd-btn.is-child:before{top:0;width:10px;height:16px;border-style:none none solid solid}.MapComponentAdd-btn.is-child:before,.MapComponentAdd-btn.is-child:not(.first):after{position:absolute;content:"";left:-16px;border-width:1px;border-color:rgba(0,0,0,.15)}.MapComponentAdd-btn.is-child:not(.first):after{top:50%;bottom:0;border-style:none none none solid}.MapComponentAdd-btn .iconfont{font-size:12px;margin-right:5px}