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