Strange occurrences observed with the interaction of multiple CSS classes

Recently, I encountered a situation with a class that had me puzzled.

.lifetime .containerrow
{
    text-align: center;
    height: 20px;
}

To enhance the appearance of certain elements by making their text bold, I attempted the following:

.lifetime .containerrow .info
{
    font-weight:bold;
}

Surprisingly, my initial approach did not yield the desired result. However, success was achieved when I made a slight modification as shown below:

.lifetime.containerrow.info
{
    font-weight:bold;
}

Curious minds may wonder why these seemingly similar approaches led to different outcomes. Can anyone shed some light on this? Your insights are greatly appreciated!

cssclassstyles

Answer №1

Indeed, this is the correct behavior. When using .class1.class2.class3, it will match elements that contain all three classes. On the other hand, by using .class1 .class2 .class3, it will target an element with .class3 inside another element with .class2, which is within an element with .class1.

If your goal is to apply the same style to multiple classes separately, you can achieve this by using commas to separate them (for example: 

.class1, .class2, .class3 { font-weight: bold; }
)

Answer №2

.eternal .rowcontainer .information
{
    font-weight:bold;
}

refers to an element with a class of .information that is inside .rowcontainer which is inside .eternal

.eternal.rowcontainer.information
{
    font-weight:bold;
}

describes an element with the classes .eternal, .rowcontainer, and .information

Answer №3

If you are looking to add a bold font-weight to several classes simultaneously, you can do so by using the following CSS:

.header,
.sidebar,
.footer
{
    font-weight: bold;
}

In order to target multiple classes across different elements and apply the same styling, remember to separate each class with a comma as shown above.

It is important to note that when using the selector .header .sidebar .footer, you are targeting an element with the class .footer that is a descendant of an element with the class .sidebar, which in turn is a child of an element with the class .header.

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