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