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