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