strong,b{font-weight:600}.link-hover a{position:relative}.link-hover a:after{content:"";position:absolute;left:50%;bottom:-2px;height:1px;background-color:#333;width:0;transform:translateX(-50%);transform-origin:center;transition:width 0.25s cubic-bezier(.215,.61,.355,1)}.link-hover a:hover:after{width:100%}