LayoutTests/fast/css-intrinsic-dimensions/resources/width-keyword-classes.css

/*
    Take every possible line break so the box width is the width of largest
    unbreakable line box.
*/
.min-content {
    /* Webkit, but not actually implemented outside deprecated flexbox */
    width: min-intrinsic;
    width: -webkit-min-content;
    width: -moz-min-content;
    width: min-content;
}

.max-content {
    width: -webkit-max-content;
    width: -moz-max-content;
    width: max-content;
}

/*
    Identical to auto except for elements with an instrinsic width like an
    img where this overrides the intrinsic width to get regular block "auto".
*/
.fill-available {
    width: -webkit-fill-available;
    /* Firefox is missing the fill- prefix because they followed an older spec */
    width: -moz-available;
    width: fill-available;
}

/*
   Shrink wrap just like floating.
   max(min-content, min(max-content, fill-available))
*/
.fit-content {
    /* Webkit, but only outside a deprecated flexbox. */
    width: intrinsic;
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
}

.max-width-min-content {
    max-width: -webkit-min-content;
    max-width: -moz-min-content;
    max-width: min-content;
}

.max-width-max-content {
    max-width: -webkit-max-content;
    max-width: -moz-max-content;
    max-width: max-content;
}

.max-width-fill-available {
    max-width: -webkit-fill-available;
    max-width: -moz-available;
    max-width: fill-available;
}

.max-width-fit-content {
    max-width: intrinsic;
    max-width: -webkit-fit-content;
    max-width: -moz-fit-content;
    max-width: fit-content;
}

.min-width-min-content {
    min-width: -webkit-min-content;
    min-width: -moz-min-content;
    min-width: min-content;
}

.min-width-max-content {
    min-width: -webkit-max-content;
    min-width: -moz-max-content;
    min-width: max-content;
}

.min-width-fill-available {
    min-width: -webkit-fill-available;
    min-width: -moz-available;
    min-width: fill-available;
}

.min-width-fit-content {
    min-width: intrinsic;
    min-width: -webkit-fit-content;
    min-width: -moz-fit-content;
    min-width: fit-content;
}