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