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