Element block pseudo-class :active generated with position relative cursor default width 100px height 0% overflow hidden background border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block float none box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px font-weight normal line-height 1 border-radius font-size 16px z-index auto transition transform opacity 1.00 margin 0px