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