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