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