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