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