我在一个相当简单的网站中包含一张图片，但它没有出现。在Chrome中检查元素样式会显示最终（在所有继承样式之后的顶部）样式
element.style {
display: none !important;
}
果然，如果我取消设置该样式，则会出现图形轮廓并调整页面高度以适应它。但我不知道这种风格来自哪里 - 它似乎是动态添加它的东西。这是我用来创建页面的Django模板（图像是<div class="secondary col">）：
{% load markup %}
<!doctype html>
<html lang="en">
<head>
<title>Holden Web: {{ flatpage.title }}</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" />
<link href="{{ STATIC_URL }}normalize.css" rel="stylesheet" type="text/css" />
<link href="{{ STATIC_URL }}styles.css" rel="stylesheet" type="text/css" />
<!--[if lt IE 9]>
<script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link href='http://fonts.googleapis.com/css?family=Comfortaa:700' rel='stylesheet' type='text/css'>
</head>
<body>
<div class="bluebar"> </div>
<header class="pageheader shadow">
<h1><a href="/">Holden Web</a></h1>
<div class="tagline">What you'll need to know tomorrow</div>
<nav class="pagenav">
<ul class="inline_list">
<li><a href="/">Home</a></li>
<li><a href="/projects/">Projects</a></li>
<li><a href="/partners/">Partners</a></li>
<li><a href="/training/">Training</a></li> [13/1858]
<li><a href="/contact/">Contact</a></li>
<li><a href="/about/">About</a></li>
<li><a href="http://holdenweb.blogspot.com/">Blog</a></li>
</ul>
</nav>
</header>
<div class="content">
<section class="secondary col">
<div>
<a href="http://www.jdoqocy.com/click-7520687-11258637" target="_top">
<img src="http://www.awltovhc.com/image-7520687-11258637" width="200" height="200" alt="O'Reilly 50% Ebook Deal of the Day" border="0"/>
</a>
</div>
{% block secondary %}
{% endblock %}
</section>
<section class="primary col">
{% block primary %}
{{ flatpage.content|markdown:"safe" }}
{% endblock %}
</section>
</div>
<footer class="vcard">
<div class="secondary col">
</div>
<div class="primary col">
<h1>Holden Web, LLC</h1>
<p>Email: <a href='mailto:info@holdenweb.com' class="email">info@holdenweb.com</a>Phone: <span class="tel
">1.800.494.3119</span></p>
<nav>
<ul class="inline_list">
<li><a href="/">Home</a></li>
<li><a href="/projects/">Projects</a></li>
<li><a href="/partners/">Partners</a></li>
<li><a href="/partners/">Partners</a></li>
<li><a href="/training/">Training</a></li>
<li><a href="/contact/">Contact</a></li>
<li><a href="/about/">About</a></li>
<li><a href="http://holdenweb.blogspot.com/">Blog</a></li>
</ul>
</nav>
<p><a href="http://theopenbastion.com/">The Open Bastion</a></p>
</div>
</footer>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
</body>
</html>
第一个样式文件是normalize.css v3.0.1。 styles.css如下所示。
body{font:62.5% arial, helvetica, sans-serif;min-width:815px;background-color:#f6f6ef}
.pageheader{font-size:1.4em;background-color:#f6f6ef;padding:0 2em;height:10em;border-bottom:1px solid #eae7d1}
.pageheader h1{margin:0;position:relative;top:1em;display:inline-block}
.pageheader h1 a{background:transparent url(images/logo.png) no-repeat left top;display:block;text-indent:-9999em;height:225px;width:207p
x}
/*logo flip*/
.pageheader h1 a:hover{
-webkit-transition-delay:.5s;
-moz-transition-delay:.5s;
-webkit-transform-style:preserve-3d;
-webkit-transition: -webkit-transform 1.7s;
-webkit-transform:rotateX(360deg);
-moz-transform:rotateX(360deg);
-moz-transform-style:preserve-3d;
-moz-transition-duration: 1.5s;
}
.tagline{font-size:2em;font-weight:bold;color:rgba(0,0,0,.1);
font-family:"Gill Sans","Gill Sans MT","Trebuchet MS",sans-serif;
text-shadow:1px 1px 3px rgba(0,0,0,.1);
margin:-6em 0 0 30%;
-moz-transition:all .4s ease-in-out;-webkit-transition:all .4s ease-in-out;
}
.tagline:hover{color:rgba(0,0,0,.2);text-shadow:3px 3px 4px rgba(0,0,0,.2);}
h1,h2,h3,.h1,.h2,.h3,.inline{font-family:"Gill Sans","Gill Sans MT","Trebuchet MS",sans-serif;color:#444}
.content div section p strong {font-weight:bold;font-size:18px} [28/1894]
.content a {color:#449}
.content a :hover{color:#66c}
h1{margin:.5em 0 .25em}
h2{margin:.6666em 0 .3333em}
h3{font-size:16px;margin:7px 0 5px}
.content{font-size:1.3em;background-color:#fff;padding:0 2em;z-index:10}
.content p{line-height:1.7142;margin:.5em 0}
.content ul{list-style-position:outside;padding-left:1em;list-style-type:none}
.pagenav{margin:.6em 0 0 30%}
.pagenav a{font-size:1.0714em;color:#4646e9;font-weight:bold;text-transform:uppercase;text-decoration:none;text-shadow:1px 1px 2px rgba(0
,0,0,.2);
-moz-transition:all .2s ease-in-out;
-webkit-transition:all .2s ease-in-out;
}
.pagenav a:hover{
text-decoration:underline;
/* just a little too much
font-size:110%;
-moz-transform:scale(2);
-webkit-transform:scale(2);
-moz-text-size-adjust: 120%;
-webkit-text-size-adjust: 120%;*/
}
ul.inline_list{list-style-type:none;padding:0;margin:0}
ul.inline_list li{display:inline;margin-right:1em}
.col{padding:1em 0}
.secondary{line-height:1.6;float:left;width:25%;overflow:hidden;padding-top:11em}
.primary{font-size:1.0769em;line-height:1.6;width:60%;margin-left:30%;max-width:700px;padding-bottom:3em}
footer{font-size:1.3em;clear:both;background-color:#f6f6ef;padding:.5em 2em;border-top:1px solid #092694;height:14em}
footer .primary{padding-top:0;padding-bottom:0}
footer .primary nav{margin-top:.5em}
.bluebar{
background-image: linear-gradient(bottom, #092794 0%, #5475EE 100%);
background-image: -o-linear-gradient(bottom, #092794 0%, #5475EE 100%);
background-image: -moz-linear-gradient(bottom, #092794 0%, #5475EE 100%);
background-image: -webkit-linear-gradient(bottom, #092794 0%, #5475EE 100%);
background-image: -ms-linear-gradient(bottom, #092794 0%, #5475EE 100%);
background-image: -webkit-gradient(
linear,
left bottom,
left top,
color-stop(0, #092794),
color-stop(1, #5475EE)
);
}
footer p{margin:.5em 0}
.bluebar{height:20px}
footer h1{font-size:1.2em}
.email{margin-right:1em}
.shadow{box-shadow:1px 1px 2px rgba(0,0,0,.2)}
.footnav ul{list-style-type:none;position:absolute;top:-6em;left:27em}
.hw{border-bottom:1px solid #eee;padding-bottom:3em}
.hw,.tob{margin:3em 0}
狡猾的线索将帮助我再次行动。
答案 0 :(得分：16)
这可能是因为本地计算机上运行了广告拦截软件。
答案 1 :(得分：-1)
为了我自己，我已经重新命名了图片。
pic_300_600.png：不工作
pic300_600.png : 有效