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