.custom-tab div:nth-child(odd):after{margin-left:auto}.custom-tab div:nth-child(2n):after{margin-right:auto}.custom-tab div:not(.active):after{width:0}.custom-tab div.active:after,.custom-tab div:not(.active):after{content:"";display:block;height:2.5px;background:#000;transition:all .15s linear}.custom-tab div.active:after{width:100%}