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