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