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