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