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