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