66

... which makes me officially better than Rijk

Which did I guess?

I guessed:

background, background-attachment, background-color, background-image, border, border-bottom, border-bottom-color, border-bottom-style, border-color, border-left, border-left-color, border-left-style, border-right, border-right-color, border-right-style, border-style, border-top, border-top-color, border-top-style, bottom, clear, color, content, float, font, font-family, font-size, font-style, font-variant, font-weight, height, left, letter-spacing, line-height, list-style, list-style-image, list-style-position, list-style-type, margin, margin-bottom, margin-left, margin-right, margin-top, max-height, max-width, min-height, min-width, overflow, padding, padding-bottom, padding-left, padding-right, padding-top, page, page-break-after, page-break-before, page-break-inside, position, right, text-align, text-decoration, text-transform, top, vertical-align, width, word-spacing.

I forgot:

azimuth, background-position, background-repeat, border-collapse, border-spacing, border-top-width, border-right-width, border-bottom-width, border-left-width, border-width, caption-side, clip, counter-increment, counter-reset, cue, cue-after, cue-before, cursor, direction, display, elevation, empty-cells, font-size-adjust, font-stretch, marker-offset, marks, orphans, outline, outline-color, outline-style, outline-width, pause, pause-after, pause-before, pitch, pitch-range, play-during, quotes, richness, size, speak, speak-header, speak-numeral, speak-punctuation, speech-rate, stress, table-layout, text-indent, text-shadow, unicode-bidi, visibility, voice-family, volume, white-space, widows, z-index.