is this course nested within another course?

If I have a div element on an HTML page like this:

<div class="Item1 Item2"></div>

The class Item1 has its own set of rules defined with the following syntax.

.Item1 {
    width: 100px;
    height: 20px;
    border: 5px solid white;
}

Is Item2 also considered a class? Can I apply styles to it just like any other regular class?

.Item2 {
    width: 1px;
    height: 2px;
}

Answer №1

When an element has the attribute class="Item1 Item2", it means that the element belongs to both class Item1 and class Item2. The value of the class attribute must consist of class names separated by whitespace, with no specific order requirement.

This setup eliminates any nesting of classes.

In CSS, this element would be selected by both .Item1 and .Item2 selectors.

In cases where there may be conflicting rules applied, the cascade rules in CSS determine the outcome. Generally, if there are conflicting property values assigned in different rules, the value from the later rule takes precedence. This resolution happens at a per-property level rather than comparing entire rules. In the given example, the border declaration will always take effect unless overridden by external factors beyond these two rules.

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