Element block pseudo-element :after generated with width 160px transition margin 0px box-sizing content-box border-radius height auto transform line-height 1 font-weight normal font-size 16px position static display block border 0px rgba(0,0,0,1) solid background cursor default float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden box-shadow 5px 5px 10px rgba(0,0,0,0.3) padding 20px z-index auto