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