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