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