AtoZ CSS Quick Tip: Using Hover and Height

This article is part of the AtoZ CSS series. You can find other entries in this series here: View the full series View the full video and text records of hover effects

Welcome to our AtoZ CSS series! In this series, I will start with letters in the alphabet and explore different CSS values ​​(and properties). We know that sometimes screenshots are not enough, and in this post we have added a new tip for you about the effects of hovering.

H stands for hover and height

Regarding the hover effect, I have already introduced a lot in the video about letter H, so I won't go into details here. However, you can apply some cool animations to the hover state. Search for "CSS hover effects" on Google and you will find a lot.

The following are some websites with clever effects:

• Codrops: CSS transition hover effects
• Design Shack: Copy Paste hover effects
• CSS-Tricks: pop hovers

Also, I recently made a video for Code School, all about a library called hover.css.

Another CSS H property (I did not describe it in detail on this website) is height (height).

The

height attribute is used to define the content height of the element. All standard length units (such as px, em, rem, %, vw, vh and other units) can be used to control height.

If the height of an element is not explicitly set, it is calculated as the minimum height that accommodates all contained elements (corresponding to the default value auto).

It is generally recommended to avoid explicitly setting heights on any element, as it limits the flexibility of the element - meaning it cannot grow as the content changes. This is especially important in responsive designs when the content needs to be rearranged vertically as the available width changes.

Therefore, I tend to set the height only on elements with predefined sizes, such as images. Another use case is that when using absolute or fixed positioning, the height (and width) shrinks around the positioning element.

The following example demonstrates the problem of setting a fixed height.

View sample code

While the first set of text looks correct, once the text is shorter or longer than the style, the style is no longer correct - the inclusion box appears too large, or the text overflows outside the box.

One way to fix text overflow is to use the overflow property, but this truncates the text and makes it unreadable.

This can be completely avoided if the height is not specified at the beginning. If I could improve the flexibility of the code without doing anything, I would choose to do so without hesitation!

FAQs about CSS hover heights (FAQs)

What is the CSS hover effect and how does it work?

CSS hover effect is a pseudo-class that applies styles when the mouse pointer hovers over an element. It is often used to create interactive effects on web pages, such as changing the color of a button when the mouse is hovering over it. The hover effect is applied by using the ":hover" selector followed by the CSS attribute to be changed. For example, to change the background color of the button to red when the mouse is hovering over it, you can use the following code:

button:hover {
  background-color: red;
}

How to change the height of an element using CSS hover effect?

You can change the height of an element using the CSS hover effect by specifying a new height in the hover rule. For example, if you want to increase its height when your mouse hovers over a div element, you can use the following code:

div:hover {
  height: 200px;
}

In this example, when the mouse hovers over the div, the height of the div will change to 200px.

Can I use CSS hover effect with media queries?

Yes, you can use CSS hover effects with media queries to create responsive hover effects. For example, you can use media queries to apply hover effects only if the screen has a specific width. Here is an example:

@media (min-width: 600px) {
  div:hover {
    height: 200px;
  }
}

In this example, the hover effect is applied only if the screen width is at least 600px.

Can I change multiple properties using the CSS hover effect at once?

Yes, you can change multiple properties using the CSS hover effect at once. For example, you can change the height, width, and background color of the div element when you hover over it. Here is an example:

div:hover {
  height: 200px;
  width: 200px;
  background-color: red;
}

In this example, when the mouse hovers over the div, the height, width, and background color of the div will change.

Can I create transition effects using CSS hover effects?

Yes, you can use the CSS hover effect in conjunction with the transition property to create a smooth transition effect. For example, you can create a transition effect that gradually changes the height of the div element in 2 seconds while the mouse is hovering over the div element. Here is an example:

div {
  transition: height 2s;
}

div:hover {
  height: 200px;
}

In this example, when the mouse hovers over the div, the height of the div will gradually change to 200px in 2 seconds.

Please note that I replaced all image links as placeholders because I can't access the original image. Please replace the placeholder with the actual image link. Similarly, the places where links are needed in the article are also replaced by placeholders, please replace them according to the actual situation.

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