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