Element button pseudo-class :active generated with height auto margin 0px padding 20px text-shadow -1px -1px 0px rgba(15,73,168,0.66) box-sizing content-box width auto transition overflow scroll box-shadow 2px 2px 2px rgba(0,0,0,0.2) background z-index auto border-radius font-size 45px transform display block border 4px rgba(255,255,255,0.9) solid line-height normal font-weight normal cursor progress position fixed float none