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我试图在我的左内容和右内容类中添加完整的身体边框。HTML/CSS正文内容边框
我在我的标题h4上充当我身体顶部边框的底部边框，只是因为我喜欢断开连接的外观。
然后，我的.left-content类有一个左，右和底部边框。
我正在使用正确的&底部边界作为“内容分隔符”。
在我的底部边界下方，我想要我的“客户推荐”，然后是我的社交媒体页脚。
但我的问题是，在左侧内容类的左侧和右侧，我有一个3％的填充，将内容从边界推开一点。
然后，我试着给我的.right-content类添加一个空白左边和3％的填充左边，但它不受它们的影响，我不能重新创建相同的间距。
所以我的问题是，我怎样才能得到一个完整的身体边界左右两个内容类都是相同的大小？
另外，我如何重新创建.right-content类的间距，就像我对.left-content类所做的那样。
任何帮助非常感谢，非常感谢！
此外，我网站上的所有文字都只是复制和粘贴。我只是建立随机网站的乐趣，现在试图学习更多。
的jsfiddle我的HTML & CSS代码：
https://jsfiddle.net/Lvjz8z8n/
html页面：
<!DOCTYPE html>
<html>
<head>
<title>Sample</title>
<link rel="stylesheet" type="text/css" href="reset.css">
<link rel="stylesheet" type="text/css" href="main.css">
<link href="https://fonts.googleapis.com/css?family=Merriweather+Sans" rel="stylesheet">
</head>
<body>
<div class="content">
<!-- site header -->
<header class="main-header">
<img id="spark-logo" src="sparkinc.jpg">
<h4 id="title-quote">The lowest prices anywhere!</h4>
</header>
<!-- left side content -->
<div class="left-content">
<h2 id="left-title">How are we able to keep our prices so low?</h2>
<h3 id="eco-scale">Economies of Scale</h3>
<p>Economies of scale reduce the per-unit costs without requiring product quality reductions. Larger orders of materials and components come with discounts, as do increases in total shipping. Simple experience in manufacturing a product teaches the business about the process and lets it use those insights to improve efficiency and trim waste, which reduces cost. Hiring expert help, such as managers, and technological improvements, such as new machinery and automation, also improve efficiency and reduce per-unit costs.</p>
<h3 id="eco-scope">Economies of Scope</h3>
<p>Economies of scope, like economies of scale, also reduce costs, but through production of a wider range of products. Related products often require many of the same materials, creating an incidental economy of scale, and the same machinery to produce them. This allows the business to use the same production facility to make two marketable products, often with a minimal investment. Businesses experience economies of scope in marketing and advertising by promoting a brand or product line, rather than a single product. Vertical supply chain integration – when one business owns multiple pieces of the supply chain -- can create economies of scope through cost reduction and improved management efficiency.</p>
<h3 id="man-system">Institure a Quality Management System</h3>
<p>Specific quality management systems focus on somewhat different elements. Lean, for example, emphasizes minimizing waste across the organization, while Six Sigma offers a data-driven approach to defect reduction. Quality management systems provide businesses with tested approaches for process improvements, efficiency boosts and cost reduction. Deploying a quality management system helps a business deliver its products at a lower cost, which keeps prices down and still allows the business to offer higher-quality products. In addition to Lean and Six Sigma, popular quality management systems include ISO, total quality management and business process re-engineering.</p>
<h3 id="consideration">Considerations</h3>
<p>Taking advantage of economies of scale and scope depends on sufficient demand in the marketplace for the product. Scaling up operations, product diversification and acquisition of other businesses only makes sense if doing so promises to deliver a sufficient return on investment. Businesses also need to remain vigilant for diseconomies of scale and scope, in which scaling up production or diversification creates inefficiencies that drive up costs.</p>
</div>
<!-- right side content -->
<div class="right-content">
<h2 id="right-title">So what does this mean for YOU?</h2>
<p>We pride ourselves on providing the lowest everyday domain prices on the Internet. We are able to offer such low prices due to our focus on domains and nothing else. We do not incur the expensive overhead associated with the infrastructure, staff and promotion of other ancillary services. We do not need to inflate our pricing to cover costs such as expensive celebrity spokespeople, vanity phone numbers, Super Bowl advertising, or non-domain-related technical and support staff. There are certain costs associated with running an effective domain registrar, but we are fanatical about avoiding non-essential expenses which allows us to keep our prices so low. We are in the domain business and no other!
We also do not utilize the backend platform of any other registrar. Many of our most notable competitors are reliant on systems developed and supported by third-parties. This has many potential problems and drawbacks including having to wait for upgrades, multiple parties being involved in domain disputes and other possible issues, and, most importantly, the fact that third-parties must be paid for their services which inflates the pricing to customers.
Spending more on a domain elsewhere does not make it better. Registering a domain with us is no different than anywhere else... you register the domain of your choice, for the period of time you want, and we do this like anywhere else - just for less money and no nickel-and-diming for services that should be free!</p>
</div>
<!-- end border div -->
<!-- testimonials -->
<div class="testimonials-quotes">
<footer id="testimonials">
<h3>Want more proof of our services?</h3>
<h4>Just ask our satisfied customers!</h4>
</footer>
</div>
</div>
</body>
</html>
CSS页面：
.content {
margin: 3% 14%;
}
.main-header {
border-bottom: 1px solid #C7CED1;
}
#spark-logo {
width: 20%;
margin-left: 3%;
}
#title-quote {
font-size: 25px;
margin-left: 3%;
padding-bottom: 3%;
font-family: 'Merriweather Sans', sans-serif;
}
.left-content {
width: 46%;
float: left;
margin-top: 2%;
border-left: 1px solid #D1E8F0;
border-bottom: 1px solid #D1E8F0;
border-right: 1px solid #D1E8F0;
padding: 0 3% 3%;
}
.left-content h2 {
font-size: 1.5em;
}
#left-title {
margin-bottom: 5%;
}
.left-content h3 {
font-size: 1.2em;
color: #3E4345;
}
#eco-scale {
margin-bottom: 2%;
text-align: center;
}
#eco-scope {
margin-top: 2%;
margin-bottom: 2%;
text-align: center;
}
#man-system {
margin-top: 2%;
margin-bottom: 2%;
text-align: center;
}
#consideration {
margin-top: 2%;
margin-bottom: 2%;
text-align: center;
}
.right-content {
border-right: 1px solid #D1E8F0;
margin-top: 2%;
margin-left: 3%;
}