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