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