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