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