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