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