Element block pseudo-class :active generated with transition border 0px rgba(0,0,0,1) solid background box-shadow 3px 3px 4px rgba(90,90,90,1) padding 20px display block float none line-height 1 width 160px border-radius font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto cursor default font-size 16px box-sizing content-box transform height auto position static overflow hidden margin 10px