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