div {
    prop: value;
    prop: (value);
    prop: {value};
    prop: [value];
    prop: fn(value);
    prop: fn(value)fn(value);
    prop: value, value;
    prop: value ,value;
    prop: value,value;
    prop: value , value;
    prop: 100%100%;
    prop: "string""string";
    prop: #ccc#ccc;
    prop: url(value)url(value);
    prop: (value)(value);
    prop: {value}{value};
    prop: [value][value];
    prop: center/1em;
    prop: center/ 1em;
    prop: center /1em;
    prop: center / 1em;
    c\olor: red;
    prop/**/: big;
}

a { color: a/* ; */ b  ; }
a{color:black}

a {;;
    color: black;
    ; ;
}