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