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