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