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