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