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