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