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