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