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