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