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