Max-height: none | length
Parameters:
None: no maximum height limit
Length: length Value composed of floating-point numbers and unit identifiers | or percent. It cannot be a negative number.
Min-height: none | length
Parameters:
None: no minimum height limit
Length: length Value composed of floating-point numbers and unit identifiers | or percent. It cannot be a negative number.
Max-width: none | length
Parameters:
None: no maximum width limit
Length: length Value composed of floating-point numbers and unit identifiers | or percent. It cannot be a negative number.
Min-width: none | length
Parameters:
None: No Minimum Width limit
Length: The length value or percentage composed of floating-point numbers and unit identifiers. It cannot be a negative number.
Latest findings: When the layer uses the margin-left: auto; margin-right: auto attribute to center, the related attributes of min and max are unavailable. When the child layer uses the float attribute, the above attributes will also become unavailable.