This content originally appeared on Things I've Learnt and was authored by Things I've Learnt
Up until 2 weeks ago the only way I used min-width (and min-height) for is to, well, set the minimum width (and height) of an element.
I was surprised to find that it has can be used when handling overflowing content.
Ellipsis
In order to truncate an element’s text context I would normally apply the following properties to it:
.ellipsis {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}And make sure it has some width applied to it, either by constraining its parent and setting its width to 100% or by setting its width to some absolute value.
Problem ensues once the text content of the div you want to truncate lives within another element:
<div class="flex-parent">
<div class="first-child">
<h2>Text to truncate here.</h2>
</div>
<div class="second-child">
Other stuff.
</div>
</div>I which case first-child’s default min-width value, set to auto, will cause it to respect its child’s demands thus overflowing its container.
The solution for this issue is simply to set first-child’s min-width to 0px.
Check out the full example and solution at CSS Tricks.
This also works when the content is not just text, lets see an example where we use this method to prevent elements from overflowing vertically.
Fixing Vertical Overflow
Say you have the following layout for your site (or rather, IDE of some sort): header, navbar, content and footer. And say you want the content to take all the space left within the screen. The markup would look something like:
<main>
<header>{/* ... */}</header>
<nav>{/* ... */}</nav>
<article>{/* ... */}</article>
<footer>{/* ... */}</footer>
</main>And the CSS:
main {
display: flex;
flex-direction: column;
height: 100vh;
}
article {
flex: 1;
}Now the article should span across the rest of the screen, while the other tags take the space needed for them.
Say with introduce the following change:
<main>
<header>{/* ... */}</header>
<nav>{/* ... */}</nav>
<article>
<div class="huge-div"></div> </article>
<footer>{/* ... */}</footer>
</main>And the CSS:
main {
display: flex;
flex-direction: column;
height: 100vh;
}
article {
flex: 1;
}
.huge-div { height: 200vh;}Now we stumble across the same issue. .hugh-div is overflowing and pushing the rest footer off the screen.
Applying min-height: 0px to the article fixes that:
main {
display: flex;
flex-direction: column;
height: 100vh;
}
article {
flex: 1;
min-height: 0px;}
.huge-div {
height: 200vh;
}This method might be widely known but I just came across it so I decided to share it, hope this helps anyone encountering the same issue.
This content originally appeared on Things I've Learnt and was authored by Things I've Learnt
Things I've Learnt | Sciencx (2020-01-10T15:22:18+00:00) Magical Properties Of <em>min-width 0px</em>. Retrieved from https://www.scien.cx/2020/01/10/magical-properties-of-emmin-width-0px-em/
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