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