Element block pseudo-class :active generated with background margin 0px overflow hidden box-shadow 3px 3px 1px rgba(0,0,0,0.3) font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition box-sizing content-box line-height 1 padding 20px border-radius float none display block transform z-index auto font-size 16px cursor default border 0px rgba(0,0,0,1) solid height auto position static width 500px