HTML5及CSS3--freeCodeCamp(笔记一)

本篇文章意在记录刷freeCodeCamp过程中遇到的基础问题

  • 当页面中引用多个其他库的样式的时候,这些库的样式可能会覆盖掉本地的样式,这时可以给自己的样式添加!important来确保指定样式覆盖掉引用库的样式
<style>
  body {
    background-color: black;
    font-family: Monospace;
    color: green;
  }
  #orange-text {
    color: orange;
  }
  .pink-text {
    color: pink !important;
  }
  .blue-text {
    color: blue;
  }
</style>
<h1 id="orange-text" class="pink-text blue-text" style="color: white">Hello World!</h1>

动态图

  • bootstrap的栅格化布局
  1. col-md-*md表示medium(中等的),在中等屏幕(如笔记本电脑),元素的列宽就被指定了
  2. col-xs-*xsextra small的缩写(应用于较小屏幕,比如手机屏幕)
  • 一个bootstrap使用的简单例子
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0"/>
		<title>Bootstrap的练习</title>
		<link href="//fonts.gdgdocs.org/css?family=Lobster" rel="stylesheet" type="text/css">
		<link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.1/css/bootstrap.min.css" />
		<link rel="stylesheet" href="//cdn.bootcss.com/font-awesome/4.2.0/css/font-awesome.min.css"/>
		<style>
			
			h2 {
				font-family: Lobster, Monospace;
			}
			
			.thick-green-border {
				border-color: green;
				border- 10px;
				border-style: solid;
				border-radius: 50%;
			}
			
		</style>
	</head>

	<body>
		<div class="container-fluid">
			<div class="row">
				<div class="col-xs-8">
					<h2 class="text-primary text-center">CatPhotoApp</h2>
				</div>
				<div class="col-xs-4">
					<a href="#"><img class="img-responsive thick-green-border" src="/images/relaxing-cat.jpg"></a>
				</div>
			</div>
			<img src="/images/running-cat.jpg" class="img-responsive">
			<div class="row">
				<div class="col-xs-4">
					<button class="btn btn-block btn-primary"><i class="fa fa-thumbs-up"></i> Like</button>
				</div>
				<div class="col-xs-4">
					<button class="btn btn-block btn-info"><i class="fa fa-info-circle"></i> Info</button>
				</div>
				<div class="col-xs-4">
					<button class="btn btn-block btn-danger"><i class="fa fa-trash"></i> Delete</button>
				</div>
			</div>
			<p>Things cats <span class="text-danger">love:</span></p>
			<ul>
				<li>cat nip</li>
				<li>laser pointers</li>
				<li>lasagna</li>
			</ul>
			<p>Top 3 things cats hate:</p>
			<ol>
				<li>flea treatment</li>
				<li>thunder</li>
				<li>other cats</li>
			</ol>
			<form action="/submit-cat-photo">
				<div class="row">
					<div class="col-xs-6">
						<label><input type="radio" name="indoor-outdoor"> Indoor</label>
					</div>
					<div class="col-xs-6">
						<label><input type="radio" name="indoor-outdoor"> Outdoor</label>
					</div>
				</div>
				<div class="row">
					<div class="col-xs-4">
						<label><input type="checkbox" name="personality"> Loving</label>
					</div>
					<div class="col-xs-4">
						<label><input type="checkbox" name="personality"> Lazy</label>
					</div>
					<div class="col-xs-4">
						<label><input type="checkbox" name="personality"> Crazy</label>
					</div>
				</div>
				<div class="row">
					<div class="col-xs-7">
						<input type="text" class="form-control" placeholder="cat photo URL" required>
					</div>
					<div class="col-xs-5">
						<button type="submit" class="btn btn-primary"><i class="fa fa-paper-plane"></i> Submit</button>
					</div>
				</div>
			</form>
		</div>

	</body>

动图效果

  • 一个展示jquery各种元素选择方法的小例子
<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0,maximum-scale=1.0" />
		<title>一个jquery运用的demo</title>
		<link href="//fonts.gdgdocs.org/css?family=Lobster" rel="stylesheet" type="text/css">
		<link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.1/css/bootstrap.min.css" />
		<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
	</head>
	<script>
		$(document).ready(function() {
			$("#target1").css("color", "red");
			$("#target1").prop("disabled", true);
			$("#target4").remove();
			$("#target2").appendTo("#right-well");
			$("#target5").clone().appendTo("#left-well");
			$("#target1").parent().css("background-color", "red");
			$("#right-well").children().css("color", "orange");
			$("#left-well").children().css("color", "green");
			$(".target:nth-child(2)").addClass("animated bounce");
			$(".target:even").addClass("animated shake");
			$("body").addClass("animated hinge");
		});
	</script>
	<body>
		<div class="container-fluid">
			<h3 class="text-primary text-center">jQuery Playground</h3>
			<div class="row">
				<div class="col-xs-6">
					<h4>#left-well</h4>
					<div class="well" id="left-well">
						<button class="btn btn-default target" id="target1">#target1</button>
						<button class="btn btn-default target" id="target2">#target2</button>
						<button class="btn btn-default target" id="target3">#target3</button>
					</div>
				</div>
				<div class="col-xs-6">
					<h4>#right-well</h4>
					<div class="well" id="right-well">
						<button class="btn btn-default target" id="target4">#target4</button>
						<button class="btn btn-default target" id="target5">#target5</button>
						<button class="btn btn-default target" id="target6">#target6</button>
					</div>
				</div>
			</div>
		</div>

	</body>

动图展示

原文地址:https://www.cnblogs.com/elian/p/7692096.html