Cases
- Selector start with dot
.class_name signifies class name
- Two dotted selector separated by space
.outside .inside
means element with .inside class descended from an element with class .outside
- Two dotted selector without separation
.name1.name2
means element that has both class name1 and name2
eg: class="name1 name2"
Related questions:
- What does a space mean in a CSS selector? i.e. What is the difference between .classA.classB and .classA .classB?
- What’s the difference between CSS classes .foo.bar (without space) and .foo .bar (with space)