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