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