富贵资源网 Design By www.hznty.com

实现效果

CSS3实现的渐变幻灯片效果

代码

html

<div class="css-slideshow">
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-css3.jpg" alt="class-header-css3" width="495" height="370" class="alignnone size-full wp-image-172" /><figcaption><strong>CSS3:</strong> CSS3 delivers a wide range of stylization and effects, enhancing the web app without sacrificing your semantic structure or performance. Additionally Web Open Font Format (WOFF) provides typographic flexibility and control far beyond anything the web has offered before.</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-semantics.jpg" alt="class-header-semantics" width="495" height="370" class="alignnone size-full wp-image-179" /><figcaption><strong>Semantics:</strong> Giving meaning to structure, semantics are front and center with HTML5. A richer set of tags, along with RDFa, microdata, and microformats, are enabling a more useful, data driven web for both programs and your users.</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-offline.jpg" alt="class-header-offline" width="495" height="370" class="alignnone size-large wp-image-178" /><figcaption><strong>Offline &amp; Storage:</strong> Web Apps can start faster and work even if there is no internet connection, thanks to the HTML5 App Cache, as well as the Local Storage, Indexed DB, and the File API specifications.</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-device.jpg" alt="class-header-device" width="495" height="370" class="alignnone size-full wp-image-177" /><figcaption><strong>Device Access:</strong> Beginning with the Geolocation API, Web Applications can present rich, device-aware features and experiences. Incredible device access innovations are being developed and implemented, from audio/video input access to microphones and cameras, to local data such as contacts &amp; events, and even tilt orientation.</figcaption> 
	</figure>
<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-connectivity.jpg" alt="class-header-connectivity" width="495" height="370" class="alignnone size-large wp-image-176" /><figcaption><strong>Connectivity:</strong> More efficient connectivity means more real-time chats, faster games, and better communication. Web Sockets and Server-Sent Events are pushing (pun intended) data between client and server more efficiently than ever before.</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-multimedia.jpg" alt="class-header-multimedia" width="495" height="370" class="alignnone size-large wp-image-175" /><figcaption><strong>Multimedia:</strong> Audio and video are first class citizens in the HTML5 web, living in harmony with your apps and sites. Lights, camera, action!</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-3d.jpg" alt="class-header-3d" width="495" height="370" class="alignnone size-large wp-image-174" /><figcaption><strong>3D, Graphics &amp; Effects:</strong> Between SVG, Canvas, WebGL, and CSS3 3D features, you're sure to amaze your users with stunning visuals natively rendered in the browser.</figcaption> 
	</figure>
	<figure>
		<img src="http://themarklee.com/wp-content/uploads/2013/10/class-header-performance.jpg" alt="class-header-performance" width="495" height="370" class="alignnone size-large wp-image-173" /><figcaption><strong>Performance &amp; Integration:</strong> Make your Web Apps and dynamic web content faster with a variety of techniques and technologies such as Web Workers and XMLHttpRequest 2. No user should ever wait on your watch.</figcaption> 
	</figure>
  </div>  
<p class="css-slideshow-attr"><a href="http://www.w3.org/html/logo/" target="_top">Images and captions are from the W3C</a></p>

css

body{
font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif; 
  font-weight: 300;
}
.css-slideshow{
  position: relative;
  max-width: 495px;
  height: 370px;
  margin: 5em auto .5em auto;
}
.css-slideshow figure{
  margin: 0;
  max-width: 495px;
  height: 370px;
  background: #000;
  position: absolute;
}
.css-slideshow img{
  box-shadow: 0 0 2px #666;
}
.css-slideshow figcaption{
  position: absolute;
  top: 0;
  color: #fff;
  background: rgba(0,0,0, .3);
  font-size: .8em;
  padding: 8px 12px;
  opacity: 0;
  transition: opacity .5s;
}
.css-slideshow:hover figure figcaption{
  transition: opacity .5s;
  opacity: 1;
}
.css-slideshow-attr{
  max-width: 495px;
  text-align: right;
  font-size: .7em;
  font-style: italic;
  margin:0 auto;
}
.css-slideshow-attr a{
  color: #666;
}
.css-slideshow figure{
  opacity:0;
}
figure:nth-child(1) {
  animation: xfade 48s 42s infinite;
}
figure:nth-child(2) {
  animation: xfade 48s 36s infinite;
}
figure:nth-child(3) {
  animation: xfade 48s 30s infinite;
}
figure:nth-child(4) {
  animation: xfade 48s 24s infinite;
}
figure:nth-child(5) {
  animation: xfade 48s 18s infinite;
}
figure:nth-child(6) {
  animation: xfade 48s 12s infinite;
}
figure:nth-child(7) {
  animation: xfade 48s 6s infinite;
}
figure:nth-child(8) {
  animation: xfade 48s 0s infinite;
}

@keyframes xfade{
  0%{
    opacity: 1;
  }
  10.5% {
    opacity: 1;
  }
  12.5%{
    opacity: 0;
  }
  98% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

以上就是CSS3实现的渐变幻灯片效果的详细内容,更多关于CSS3渐变幻灯片的资料请关注其它相关文章!

富贵资源网 Design By www.hznty.com
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站资源来自互联网收集,仅供用于学习和交流,请遵循相关法律法规,本站一切资源不代表本站立场,如有侵权、后门、不妥请联系本站删除!
富贵资源网 Design By www.hznty.com

RTX 5090要首发 性能要翻倍!三星展示GDDR7显存

三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。

首次推出的GDDR7内存模块密度为16GB,每个模块容量为2GB。其速度预设为32 Gbps(PAM3),但也可以降至28 Gbps,以提高产量和初始阶段的整体性能和成本效益。

据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。