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