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