使用css褪色背景图像滑块：如何让幻灯片在屏幕上停留更长时间？

Question

我的目标是让图像在屏幕上停留大约10秒钟 - 不增加渐变持续时间（如果可能）。我曾尝试搞乱关键帧百分比，但我似乎无法做到正确。任何帮助将不胜感激。

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.slider {
  max-width: 300px;
  height: 200px;
  margin: 20px auto;
  position: relative;
}
.slide1,.slide2,.slide3,.slide4,.slide5 {
  position: absolute;
  width: 100%;
  height: 100%;
}
.slide1 {
  background: url(http://media.dunkedcdn.com/assets/prod/40946/580x0-9_cropped_1371566801_p17tbs0rrjqdt1u4dnk94fe4b63.jpg)no-repeat center;
      background-size: cover;
    animation:fade 30s infinite;
-webkit-animation:fade 30s infinite;

} 
.slide2 {
  background: url(http://media.dunkedcdn.com/assets/prod/40946/580x0-9_cropped_1371565525_p17tbqpu0d69c21hetd77dh483.jpeg)no-repeat center;
      background-size: cover;
    animation:fade2 30s infinite;
-webkit-animation:fade2 30s infinite;
}
.slide3 {
    background: url(http://media.dunkedcdn.com/assets/prod/40946/580x0-9_cropped_1371564896_p17tbq6n86jdo3ishhta3fv1i3.jpg)no-repeat center;
      background-size: cover;
    animation:fade3 30s infinite;
-webkit-animation:fade3 30s infinite;
}
@keyframes fade {
    0%,
    27% {
        opacity: 1
    }
    33.333% {
        opacity: 0
    }
    66.666% {
        opacity: 0
    }
    100% {
        opacity: 1
    }
}

@keyframes fade2 {
    0% {
        opacity: 0
    }
    33.333%,
    60% {
        opacity: 1
    }
    66.666% {
        opacity: 0
    }
    100% {
        opacity: 0
    }
}

@keyframes fade3 {
    0% {
        opacity: 0
    }
    33.333% {
        opacity: 0
    }
    66.666%,
    93% {
        opacity: 1
    }
    100% {
        opacity: 0
    }
}

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<div class='slider'>
  <div class='slide1'></div>
  <div class='slide2'></div>
  <div class='slide3'></div>
</div>

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Answer 1

"INSERT INTO `feedback` (name, email, feedback) VALUES ('".mysql_real_escape_string($name)."','".mysql_real_escape_string($email)."','".mysql_real_escape_string($feedback)."')")) 

检查：jsFiddle