GitHub使用margin:40px和padding:24px。仅使用边距或填充不好?恩。边距:64px或填充:64px。我想知道GitHub使用它们的原因。为什么GitHub同时使用填充和边距?
<style text="css">
.mb-6 {
margin-bottom: 40px;
}
.pb-4 {
padding-bottom: 24px;
}
</style>
<p class="alt-lead text-center text-gray mb-6 pb-4 col-md-10 mx-auto">
Open source software is free for you to use and explore. Get involved to perfect your craft and be part of something big.
</p>
<div class="clearfix gut-lg">
<div class="float-left col-md-4">
<div class="clearfix mb-4 text-md-center">
<div class="float-left mr-4 float-md-none mr-md-0 mb-md-3"><img src="https://assets-cdn.github.com/images/modules/site/iconsnsource-ico-future.svg?sn" alt="" aria-hidden></div>
<div class="overflow-hidden">
<h3 class="alt-h4 mb-2">Shape the future of software</h3>
<p class="alt-text-small text-gray">Your contributions help make technology better for everyone, developers and non-develo alike.</p>
</div>
</div>
</div>
<div class="float-left col-md-4">
<div class="clearfix mb-4 text-md-center">
<div class="float-left mr-4 float-md-none mr-md-0 mb-md-3"><img src="https://assets-cdn.github.com/images/modules/site/iconsnsource-ico-best.svg?sn" alt="" aria-hidden></div>
<div class="overflow-hidden">
<h3 class="alt-h4 mb-2">Work with the best in the field</h3>
<p class="alt-text-small text-gray">Amazing developers use GitHub. Contribute code to projects that change how software&nbs built.</p>
</div>
</div>
</div>
<div class="float-left col-md-4">
<div class="clearfix mb-4 text-md-center">
<div class="float-left mr-4 float-md-none mr-md-0 mb-md-3"><img src="https://assets-cdn.github.com/images/modules/site/iconsnsource-ico-grow.svg?sn" alt="" aria-hidden></div>
<div class="overflow-hidden">
<h3 class="alt-h4 mb-2">Grow your skills and help others</h3>
<p class="alt-text-small text-gray">Whatever your skill level, working on open source software is a great way to learn newp;things.</p>
</div>
</div>
</div>
</div>
请添加一些代码 –
哦对不起。我张贴图片。你能看到图像吗? – lg21
边框是边框内的空间,而边框是边框外的空间。 –