页面倾斜布局效果-html代码-BFW代码库

代码语言：html
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">

<style>
@charset "UTF-8";
:root {
  --width: 100vw;
  --angle: -11deg;
  /*-----------------
  Magic Number Alert:
  
  the 0.09719 is calculated by this formula:
  tan(11°) / 2
  11° is the current skewY value.
  ------------------*/
  --magic-number: 0.09719;
  --skew-padding: calc(var(--width) * var(--magic-number));
}
@media (min-width: 42em) {
  :root {
    --width: 42rem;
  }
}

.diagonal-box {
  position: relative;
  padding: var(--skew-padding) 0;
  margin-top: -1px;
}
.diagonal-box:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  transform: skewy(var(--angle));
  transform-origin: 50% 0;
  outline: 1px solid transparent;
  backface-visibility: hidden;
}

.bg-one:before {
  background-image: linear-gradient(45deg, #654ea3, #eaafc8);
}

.bg-two:before {
  background-image: linear-gradient(-135deg, #ff0084, #33001b);
}

.bg-three:before {
  background-image: linear-gradient(-135deg, #007, #003);
}

.content {
  max-width: var(--width);
  margin: 0 auto;
  padding: 1.5em;
  position: relative;
  /* -----------
  enable the border to see, that the content
  perfectly fits into the section withou
  bleeding into the adjecting areas:
  ------------ */
}

/* --------------------
Presentational Styles 
-------------------- */
*, *:before, *:after {
  box-sizing: border-box;
}

html {
  font-size: 100%;
  transition: font-size 0.2s linear;
}
@media (min-width: 70em) {
  html {
    font-size: 125%;
  }
}

body {
  background: #003;
  padding-top: 8em;
  color: #fff;
  font-family: 'Raleway', sans-serif;
}

h1 {
  text-align: center;
  margin: 0 auto 1em;
  padding: 0 1em;
  max-width: 42rem;
  line-height: 1.2;
  transform: skewY(var(--angle));
  font-size: 3em;
  text-transform: uppercase;
  font-weight: 900;
}

h2 {
  font-size: 2.5em;
  margin: 0 0 0.5em;
  font-weight: 900;
}

.intro {
  font-size: 1.25em;
  transform: skewY(var(--angle));
  margin: 0em auto 0em;
  text-align: center;
  background: #fff;
  color: #003;
  font-weight: 900;
  padding: 0.5em;
  text-transform: uppercase;
}
.intro a {
  background-image: linear-gradient(transparent 90%, 0, #003 100%);
  background-image: none;
  border-bottom: 4px solid;
  transition: none;
}
.intro a:hover {
  border-color: #a06;
  opacity: 1;
}

p {
  font-size: 1.25em;
  margin: 0;
  line-height: 1.5;
}
p + p, svg + p {
  margin-top: 1em;
}
p code {
  background: #0033;
  padding: 0.125em 0.375em;
  border-radius: 0.125em;
}
@media (min-width: 35em) {
  p code {
    white-space: nowrap;
  }
}
p a {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(transparent 90%, 0, #fffa 100%);
  padding: 0.125em 0;
  transition: opacity 0.3s ease-out;
}
p a:hover {
  text-decoration: none;
  opacity: 0.8;
}

.columns {
  display: flex;
  margin: 2em -1em;
}

.figure {
  display: block;
  width: 100%;
  margin: 0 1em;
}
.figure svg {
  display: block;
  width: 100%;
}
.figure .object {
  transform-origin: 140px 140px;
}
.figure .object--rotate {
  animation: rotate 3s ease-in-out alternate infinite;
}
.figure .object--skew {
  animation: skew 3s ease-in-out alternate infinite;
}
.figure .object--skew-pause {
  animation: skew-pause 6s ease-in-out infinite;
}
.figure .object--skew-pause-alt {
  animation: skew-pause-alt 6s ease-in-out infinite;
}
.figure figcaption {
  margin-top: 0.5em;
  line-height: 1.5;
  font-weight: 700;
  opacity: 0.9;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-11deg);
  }
  100% {
    transform: rotate(-11deg) scaleX(1.2);
  }
}
@keyframes skew {
  to {
    transform: skewY(-11deg);
  }
}
@keyframes skew-pause {
  0%, 70%, 100% {
    transform: skewY(0deg);
  }
  20%, 50% {
    transform: skewY(-11deg);
  }
}
@keyframes skew-pause-alt {
  0%, 40%, 100% {
    transform: skewY(0deg);
  }
  20%, 30% {
    transform: skewY(-11deg);
  }
}
.formula {
  font-family: monospace;
  font-size: 1.5em;
  display: block;
  margin: 1em auto;
  text-align: center;
}
@media (min-width: 26em) {
  .formula {
    font-size: 2em;
  }
}

.boxes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-gap: 3%;
  margin: 2em 0;
  --translation: 0;
}
.boxes .box {
  width: 100%;
  height: 0;
  padding-bottom: 100%;
  border: 1px solid #fff;
  background: #fff3;
  transform: translateY(var(--translation));
  animation: translate 3s ease-in-out infinite;
}
.boxes .box:nth-child(1) {
  --translation: calc(var(--skew-padding) * 1.5);
}
.boxes .box:nth-child(2) {
  --translation: calc(var(--skew-padding) * 1);
}
.boxes .box:nth-child(3) {
  --translation: calc(var(--skew-padding) * 0.5);
}
.boxes .box:nth-child(4) {
  --translation: calc(var(--skew-padding) * 0);
}

@keyframes translate {
  0%, 20%, 100% {
    transform: translateY(0);
  }
  50%, 70% {
    transform: translateY(var(--translation));
  }
}
/* ---------------------------------
   Interactive Controls
--------------------------------- */
.controls {
  background: #FFF3;
  z-index: 5;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 0 0 0.5em 0.5em;
  max-width: 90%;
}
.controls__headline {
  color: #fff;
  margin: 0.75em 1.125em 0.625em;
  font-size: 1em;
  text-align: center;
  font-weight: 400;
}

.angle-control {
  padding: 0.75em 0.625em 0.625em;
  margin: 0 0.5em;
  font-size: 1em;
  border-top: 1px solid #fff3;
  display: flex;
}
.angle-control > * {
  vertical-align: middle;
  margin: 0 0.5em;
}
.angle-control span {
  display: inline-block;
  min-width: 6ch;
}
.angle-control input {
  width: 8em;
  flex-shrink: 1;
}

.result {
  text-align: right;
}
</style>
<script>
  window.console = window.console || function(t) {};
</script>
<script>
  if (document.location.search.match(/type=embed/gi)) {
    window.parent.postMessage("resize", "*");
  }
</script>
</head>
<body translate="no">
<div class="controls">
<h2 class="controls__headline">
Playground:
</h2>
<div class="angle-control">
<input type="range" id="angle-control" min="-60" max="60" step="1" value="-11">
<span id="angle-result" class="result">-11 deg</span>
</div>
</div>
<div class="diagonal-box">
<div class="content">
<h1>Tips for Pure CSS Diagonal Layouts</h1>
<p class="intro">
Below you will find a few tips for creating diagonal layouts. If this is all too fast for you, check out this <a href="https://9elements.com/blog" target="_blank">step-by-step tutorial</a>.
</p>
</div>
</div>
<div class="diagonal-box bg-one">
<div class="content">
<h2>1. Skew to the rescue.</h2>
<p>
When you <a href="#">rotate</a> a 100%-width box, you get some ugly corners and need to
make the whole box wider than 100%. The problem here is that you maybe
don't know the height of the element, and then you also don't know how
much wider than 100% it has to be.
</p>
<p>
So instead of <code>transform: rotate(-11deg)</code> use
<code>transform: skewY(-11deg)</code> and the transformed section stays
within it's horizontal boundaries.
</p>
<div class="columns">
<figure class="figure">
<svg viewBox="0 0 280 280">
<rect fill="none" x="1" y="1" width="278" height="278" stroke="#FFF" stroke-width="2" />
<rect class="object object--rotate" width="2.........完整代码请登录后点击上方下载按钮下载查看
页面倾斜布局效果

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