您可以在页面底部看到相关按钮(它只是一个样式看起来像按钮的链接)。向上延伸的原因是什么？我之前将它设计成我想要的样子，但在某些时候导致它变得乱七八糟。
@charset "utf-8";
/* CSS Reset */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
font-size: 100%;
font: inherit;
vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
display: block;
}
body {
line-height: 1;
}
ol, ul {
list-style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border-collapse: collapse;
border-spacing: 0;
}
/* End CSS Reset */
@charset "utf-8";
/* General Styles */
body {
max-width: 100%;
margin: 0;
font-size: 16px;
background-color: #000;
color: #fff;
font-family: 'Lato', sans-serif;
}
a {
text-decoration: none;
color: #555;
}
p {
text-align: center;
}
/* Nav Bar Styles */
nav {
text-align: right;
width: 100%;
background-color: #fff;
font-size: 1.4em;
padding: 0;
padding-top: .5%;
padding-bottom: .6%;
}
.navigation {
display: inline;
margin: .5%;
}
.logo {
color:#000;
display: inline;
float: left;
margin: 0 0 0 1%;
}
/* Banner */
div.background {
margin: 0;
width: 100%;
min-height: 650px;
background-image: url("../img/br.jpg");
background-sizeP: cover;
background-repeat: no-repeat;
}
/* Skills */
div.section {
width: 100%;
min-height: 200px;
background-color: #fff;
color: #000;
margin: 0;
}
.skills {
float: left;
width: 33%;
}
.expertise {
text-align: center;
margin: 2% 2% 2% 2%;
font-size: 1.2em;
}
.details {
padding: 2%;
}
/* Footer */
footer {
text-align: center;
padding-bottom: .4%;
margin: 0;
font-size: 79%;
color: #000;
background-color: #fff;
}
a.btn {
width: 11%;
margin: auto;
margin-top: .8%;
padding: .5%;
display: block;
text-align: center;
border: 1px solid #fff;
font-size: 1.2em;
background-color: #000;
color: #fff;
border-radius: 3px;
}
.btn:hover {
background-color: #fff;
color: #000;
border: solid 1px #000;
-webkit-transition: all 0.3s ease-in-out;
-moz-transition: all 0.3s ease-in-out;
-ms-transition: all 0.3s ease-in-out;
-o-transition: all 0.3s ease-in-out;
}<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Brian Funderburke Photography & Design</title>
<link rel="stylesheet" href="css/reset.css">
<link rel="stylesheet" href="css/custom.css">
<link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet" type="text/css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
</head>
<body>
<header>
<nav>
<h1 class="logo">B.Fun Photography & Design</h1>
<ul>
<li class="navigation"><a href="home.html">Home</a></li>
<li class="navigation"><a href="photography.html">Photography</a></li>
<li class="navigation"><a href="design.html">Design</a></li>
<li class="navigation"><a href="about.html">About</a></li>
<li class="navigation"><a href="contact.html">Contact</a></li>
</ul>
</nav>
</header>
<div class="background">
</div>
<div class="section">
<div class="skills">
<h2 class="expertise">Photography</h2>
<p class="details">Let me capture your beautiful moments for you! I shoot everything from weddings to landscapes.</p>
</div>
<div class="skills">
<h2 class="expertise">Design</h2>
<p class="details">From logo design to business cards. Your products deserve to look beautiful.</p>
</div>
<div class="skills">
<h2 class="expertise">Web Development</h2>
<p class="details">Handcrafted websites help ensure you stand out in today's crowded online ecosystem!</p>
</div>
<a href="contact.html" class="btn">Get In Touch!</a>
</div>
<footer>
<p>© 2016 Brian Funderburke. All Rights Reserved.</p>
</footer>
</body>
</html>最佳答案
正是“display:block”让它占据了“.section”的整个容器。尝试去掉宽度，你会看得更清楚。 (至于为什么文本在底部，是因为你有“垂直对齐:基线”。它和它一样高，因为其他元素在容器中 float ，所以它被推到它们下面。
关于html - 由于某些无法解释的原因，按钮改变了大小，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/35020551/