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