HTML+CSS 学习笔记
3.30日更新
HTML + CSS 是组成前端网页的基础语言。HTML语法用来搭建网页的structure, 而CSS syntax和rules 用来美化网站的内容。
网页中的“一切都是盒子”的设计思想，可以方便网页的最初方案设计，同时盒子的分割和替换可以使得网页的设计具有更大的灵活性。
语法的总结
上一周在DASH网站做了三个入门的网页，贴出来相关的代码进行一些知识点的整理：
<!DOCTYPE html>
<head>
<title>Anna Dowlin</title>
<style>
body {
text-align: center;
background: url("http://dash.ga.co/assets/anna-bg.png");
background-size: cover;
background-position: center;
color: white;
font-family: helvetica;
}
p{
font-size: 22px;
}
input{
border: 0;
padding: 10px;
font-size: 18px;
}
input[type="submit"]{
background: red;
color: white;
}
</style>
</head>
<body>
<img src="/assets/anna.png">Anna Dowlin</h1>
<p>Hi! I'm Anna, a NYC-based marketer. Say hello!</p>
<input type="email" placeholder="Your email">
<input type="submit">
</body>
<!DOCTYPE html>
<head>
<link href="/normalize.css" rel="stylesheet">
<style>
header {
text-align: center;
background: url('http://dash.ga.co/assets/jeff-bg.png');
background-size: cover;
color: white;
}
a {
color: white;
}
h1 {
font-size: 70px;
}
img {
margin: 40px 0px 0px 0px;
border: 7px solid white;
border-radius: 20px;
}
ul {
padding: 10px;
background: rgba(0,0,0,0.5);
}
li {
display: inline;
padding: 0px 10px 0px 10px;
}
article{
max-width: 500px;
padding: 20px;
margin: 0 auto;
}
@media (max-width: 500px) {
h1{
font-size: 36px;
}
li{
display: block;
padding: 5px;
}
body{
background: red;
}
}
</style>
</head>
<body>
<header>
<img src="/assets/jeff.png">
<h1>Jeff's Blog</h1>
<ul>
<li><a href="#">About Me</a></li>
<li><a href="#">Best Poems</a></li>
<li><a href="#">Worst Poems</a></li>
</ul>
</header>
<article>
<h2>VHS umami pop-up trust fund</h2>
<p>Marfa church-key kitsch bicycle rights, 8-bit mixtape cardigan gentrify Echo Park. Street art swag brunch, next level roof party Schlitz hella organic keffiyeh selfies. You probably haven't heard of them polaroid hashtag +1, meggings biodiesel Portland High Life cray tumblr retro.</p>
<button>like</button>
</article>
<article>
<h2>Sartorial synth Echo Park, roof party</h2>
<p>chambray you probably haven't heard of them pour-over viral selvage umami skateboard VHS post-ironic selfies. Wes Anderson gentrify fanny pack twee, bicycle rights bitters blog keffiyeh plaid flannel. Tonx irony cliche sustainable mlkshk bitters. Four loko leggings chambray Vice.</p>
<button>like</button>
</article>
<article>
<h2>Forage food truck keytar master cleanse</h2>
<p>ethical thundercats sustainable locavore quinoa Neutra. Aesthetic tacky sweater single-origin coffee, bicycle rights organic lo-fi street art american apparel ennui four loko ethnic Brooklyn small batch. Forage YOLO polaroid</p>
<button>like</button>
</article>
<script>
$("button").on("scroll",function(){alert("clicked!")})
</script>
</body>
<!DOCTYPE html>
<head>
<script src="/assets/jquery.js"></script>
<link href='https://fonts.googleapis.com/css?family=Londrina+Shadow' rel='stylesheet' type='text/css'>
<style>
body {
font-family: helvetica, sans-serif;
margin: 0 auto;
max-width: 600px;
background: #232323;
}
div {
height: 200px;
background-size: cover;
position: relative;
margin: 40px 0 0 0;
border-radius: 12px;
}
h1 {
font-family: 'Londrina Shadow', cursive;
text-align: center;
font-size: 75px;
color: #aaaaaa;
margin: 60px 0 0 0;
}
h2 {
text-align: center;
color: #bbbbbb;
margin: 0px 0 70px 0;
}
p {
color: rgba(255,255,255,1);
background: black;
background: linear-gradient(bottom, rgba(0,0,0,1), rgba(0,0,0,.4));
background: -webkit-linear-gradient(bottom, rgba(0,0,0,1), rgba(0,0,0,.4));
background: -moz-linear-gradient(bottom, rgba(0,0,0,1), rgba(0,0,0,.4));
padding: 10px;
height: 30px;
line-height: 28px;
text-align: justify;
position: absolute;
bottom: 0;
margin: 0;
transition: height .5s;
-webkit-transition: height .5s;
-moz-transition: height .5s;
}
small {
opacity: 0;
}
.show-description p{
height:150px;
}
.show-description small{
opacity: 1;
}
.first{
background-image: url("http://dash.ga.co/assets/firstcourse.jpg");
}
.second{
background-image: url("http://dash.ga.co/assets/secondcourse.jpg");
}
.dessert{
background-image: url("http://dash.ga.co/assets/dessertcourse.jpg");
}
.price {
float: right;
}
@media (max-width:500px) {
h1 {
font-size:50px;
margin-top: 20px;
line-height:40px;
}
h2{
font-size: 20px;
margin：20px 0px 30px 0px;
}
div{
margin: 20px 12px 0 12px;
}
p{
font-size: 20px;
line-height: 24px;
font-size: 16px;
}
small{
font-size: 16px;
}
}
</style>
</head>
<body>
<h1>esha's restaurant</h1>
<h2>a New York City eatery</h2>
<div class="first">
<p>welsh onion soko <span class="price">$14</span><br />
<small>Mustard sierra leone bologi kale chard beet greens black-eyed pea sorrel amaranth garlic tigernut spring onion summer purslane asparagus lentil. </small></p>
</div>
<div class="second">
<p>pastrami boudin tongue <span class="price">$22</span><br />
<small>Tri-tip capicola kielbasa salami brisket chicken rump strip steak drumstick. Meatloaf chuck boudin ribeye pork jowl. Andouille bacon jowl meatloaf pork loin prosciutto bresaola.</small></p>
</div>
<div class="dessert">
<p>fruitcake marzipan pudding dragee <span class="price">$8</span><br />
<small>Lollipop tart cotton candy jelly-o carrot cake apple pie cupcake. Jelly-o bear claw ice cream candy canes.</small></p>
</div>
<script>
$('div').on('click', function() {
$(this).toggleClass('show-description');
});
</script>
</body>
