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