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