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