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