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