事先我感謝所有幫助,因爲即時通訊新的HTML和CSS我可以,我想中心的3張圖片,但我不能居中它們,我確信它的一些愚蠢的,但我不能算出它出。我添加了一個圖像,以便您可以看到佈局是什麼。圖居中抹灰圖像
body {
\t font-family: Arial, Verdana, sans-serif;
\t color: #000;
\t font-weight: bold;
\t margin: 0;
}
#wrapper {
\t width: 100%;
}
#logo {
\t float: left;
}
#navigation {
\t clear: both;
\t background-color: #14171a;
\t width: 100%;
\t height: 70px;
\t box-shadow: 0px 5px 3px #000;
}
#navigation ul li {
\t display: inline;
\t margin-left: 50px;
}
#navigation ul li a {
\t text-decoration: none;
\t color: #fff;
\t font-size: 20px;
}
#navigation ul {
\t width: 570px;
\t padding-top: 20px;
\t margin: 0px auto 0px auto;
}
#midcontent {
\t
}
h1 {
\t margin: 0px auto 0px auto;
\t margin-top: 50px;
\t padding: 10px 0px 10px 10px;
\t color: #fff;
\t background-color: #6ac045;
\t font-size: 170%;
\t
\t border-radius: 8px;
\t width: 400px;
}
#midcontent article {
\t }
figure {
\t float: left;
\t width: 300px;
\t
\t
}
figure img {
\t display: inline-block;
\t width: 300px;
\t height: 244px;
}
figcaption {
\t text-align: center;
}
<!DOCTYPE html>
<html>
<head>
\t <title>Electronix CR</title>
\t <link rel="stylesheet" type="text/css" href="CSS/Electronix.css">
</head>
\t <body>
\t \t <div id="wrapper">
\t \t \t <header id="logo">
\t \t \t \t <img src="images/Electronix.png">
\t \t \t </header>
\t \t \t <nav id="navigation">
\t \t \t \t <ul>
\t \t \t \t \t <li><a href="#">Home</a></li>
\t \t \t \t \t <li><a href="#">About</a></li>
\t \t \t \t \t <li><a href="#">Services</a></li>
\t \t \t \t \t <li><a href="#">Contact</a></li>
\t \t \t \t </ul>
\t \t \t </nav>
\t \t \t <h1>What can we fix for you today</h1>
\t \t \t <section id="midcontent">
\t \t \t \t <article class="content">
\t \t \t \t \t <figure><img src="images/Diagnostic.jpg" alt="Helianthus" />
\t \t \t \t \t <figcaption>Siagnostic</figcaption>
\t \t \t \t </figure>
\t \t \t \t <figure><img src="images/LCD.jpg" alt="Passiflora" />
\t \t \t \t \t <figcaption>LCD Replacement</figcaption>
\t \t \t \t </figure>
\t \t \t \t <figure><img src="images/Battery.jpg" alt="Nyctocalos" />
\t \t \t \t \t <figcaption>Battery Replacement</figcaption>
\t \t \t \t </figure>
\t \t \t \t </article>
\t \t \t </section>
\t \t \t
\t \t </div>
\t </body>
</html>
[定心浮動的div另一個專區內(http://stackoverflow.com/questions/1269245/centering-floating-divs-within-another-div)或可能重複[我怎樣中心浮動元素?](http://stackoverflow.com/q/4767971/5743988) – 4castle