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