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