#navigation float left width 100% margin 0 auto width 100% height 100% padding 0 1.5em z-index 0 box-sizing border-box .navigation-link display inline-block height 100% text-decoration none position relative &:after content "" display block margin auto margin-top 0 height 3px width 0px transition all 500ms ease &.active &:hover cursor pointer text-decoration none &:after width 100% background-color rgb(248, 165, 130) .navigation-button padding 0.75em 1em font-size 1.1em line-height 1em transition all 290ms ease