Element block pseudo-element :before generated with padding 20px overflow hidden transition width 320px box-sizing content-box cursor default transform font-size 16px border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 height auto display block background position static margin 0px z-index auto border-radius float none font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2)