code: public static boolean contains(final String cssValue,
              final Collection<String> cssValues, final int lowestLength,
              final int highestLength) {
          if (cssValue == null || cssValue.length() < lowestLength
                  || cssValue.length() > highestLength) {
              return false;
          }
          final boolean contains = cssValues
                  .contains(TagStringUtil.toUpperCase(cssValue));
          return contains;
      }
docs: checks whether the given {@code cssValues} contains the given
  {@code cssValue}.
  
  @param cssValue
  the value to be checked.
  @param cssValues
  the {@code cssValue} will be checked in this
  {@code cssValues} .
  @param lowestLength
  the lowest length of the string contained in the
  given {@code cssValues}.
  @param highestLength
  the highest length of the string contained in
  the given {@code cssValues}.
  @return true if the given {@code cssValues} contains the given
  {@code cssValue}, and the length of {@code cssValue} is not less
  than {@code lowestLength} and not greater than
  {@code highestLength}.
  @since 1.0.0
  @author WFF