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