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