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