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