为butterfly主题添加一个蓝天白云特效

  • 动态效果
  • 低占用
  • 优雅美观
  1. 在/themes/butterfly/layout/includes下，新建skycloud.pug。
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.sky
  .clouds_one
  .clouds_two
  .clouds_three
  1. 在/themes/butterfly/layout/includes/layout.pug中引入
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    if page.type !== '404'
      #body-wrap(class=pageType)
        include ./header/index.pug
+        if (is_home())
+          include ./skyclouds.pug
  1. 引入css
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.sky {
  height: 480px;
  background-image: linear-gradient(180deg, #3387de, #6fa1e3, #a4c0e2, rgb(247,249,254));
  position: fixed;
  overflow: hidden;
  width: 100%;
  z-index: -10;
}

.clouds_one {
  background: url("https://uu.sssu.us/css/img/cloud_one.png");
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_one 50s linear infinite;
  -moz-animation: cloud_one 50s linear infinite;
  -o-animation: cloud_one 50s linear infinite;
  animation: cloud_one 50s linear infinite; 
}

.clouds_two {
  background: url("https://uu.sssu.us/css/img/cloud_two.png");
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_two 75s linear infinite;
  -moz-animation: cloud_two 75s linear infinite;
  -o-animation: cloud_two 75s linear infinite;
  animation: cloud_two 75s linear infinite; 
}

.clouds_three {
  background: url("https://uu.sssu.us/css/img/cloud_three.png");
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_three 100s linear infinite;
  -moz-animation: cloud_three 100s linear infinite;
  -o-animation: cloud_three 100s linear infinite;
  animation: cloud_three 100s linear infinite; 
}

@-webkit-keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_one {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}

@-webkit-keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_two {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}

@-webkit-keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@-moz-keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}
@keyframes cloud_three {
  0% {
	left: 0
  }
  100% {
	left: -200%
  }
}