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