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