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