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