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