Element block pseudo-element :before generated with width 500px margin 0px height 500px background box-sizing content-box border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px transform font-weight normal display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden position static border-radius transition cursor default z-index auto padding 20px line-height 1 float none