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