Question

我正在开发一个包含一些旋转圆圈的编解码器。似乎仅在Chrome中，旋转会导致文档高度弯曲。要理解我刚才所说的内容，请查看我到目前为止所看到的内容并滚动到底部并观察所有内容是否在高度上扩展和收缩。这是codepen。如果您不理解这个问题，请告诉我。

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TRUE

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/*loader 1*/

.loader1 {
  width: 64px;
  height: 64px;
  position: relative;
  -o-animation: loaderRotate 2s infinite ease-in;
  -moz-animation: loaderRotate 2s infinite ease-in;
  -webkit-animation: loaderRotate 2s infinite ease-in;
  -ms-animation: loaderRotate 2s infinite ease-in;
  animation: loaderRotate 2s infinite ease-in;
  border-radius: 50%;
  margin: auto;
}
.loader1:after {
  content: '';
  display: block;
  border: 3px solid transparent;
  border-left: 3px solid #FF3E31;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
}
.loader1:before {
  content: '';
  display: block;
  border: 3px solid transparent;
  border-left: 3px solid #FF3E31;
  box-sizing: border-box;
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  border-radius: 50%;
  -o-animation: borderFlexLoader 2.5s infinite linear;
  -moz-animation: borderFlexLoader 2.5s infinite linear;
  -webkit-animation: borderFlexLoader 2s infinite linear;
  -ms-animation: borderFlexLoader 2.5s infinite linear;
  animation: borderFlexLoader 2s infinite linear;
}
@-o-keyframes loaderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-moz-keyframes loaderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes loaderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-ms-keyframes loaderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loaderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-o-keyframes borderFlexLoader {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@-webkit-keyframes borderFlexLoader {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@-moz-keyframes borderFlexLoader {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@-ms-keyframes borderFlexLoader {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
@keyframes borderFlexLoader {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(90deg);
  }
  100% {
    transform: rotate(0deg);
  }
}
/*end loader 1*/

/*loader2*/

.loader2 {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 3em auto;
}
.loader2:after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-bottom: 3px solid #457AA6;
  border-radius: 50%;
  -o-animation: loader2BorderRotate 1.5s infinite ease;
  -moz-animation: loader2BorderRotate 1.5s infinite ease;
  -webkit-animation: loader2BorderRotate 1.5s infinite ease;
  -ms-animation: loader2BorderRotate 1.5s infinite ease;
  animation: loader2BorderRotate 1.5s infinite ease;
}
.loader2:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-top: 3px solid #457AA6;
  border-radius: 50%;
  -o-animation: loader2BorderRotate 3s infinite ease reverse;
  -ms-animation: loader2BorderRotate 3s infinite ease reverse;
  -webkit-animation: loader2BorderRotate 3s infinite ease reverse;
  -moz-animation: loader2BorderRotate 3s infinite ease reverse;
  animation: loader2BorderRotate 3s infinite ease reverse;
}
@-o-keyframes loader2BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-moz-keyframes loader2BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes loader2BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-ms-keyframes loader2BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loader2BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/*end loader2*/

/*loader3*/

.loader3 {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 3em auto;
}
.loader3:after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-bottom: 3px solid #2D9D31;
  border-left: 3px solid #2D9D31;
  border-radius: 50%;
  animation: loader3BorderRotate 2s infinite;
}
.loader3:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-top: 3px solid #2D9D31;
  border-right: 3px solid #2D9D31;
  border-radius: 50%;
  animation: loader3BorderRotate 2s infinite reverse;
}
@-o-keyframes loader3BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-moz-keyframes loader3BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes loader3BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-ms-keyframes loader3BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loader3BorderRotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/*end loader3*/

/*loader4*/

.loader4 {
  border-radius: 50%;
  width: 64px;
  height: 64px;
  position: relative;
  margin: 3em auto;
}
.loader4:before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-right: 3px solid #FFFFFF;
  border-top: 3px solid #FFFFFF;
  margin: -2px;
  -o-animation: loader4 1s infinite ease;
  -moz-animation: loader4 1s infinite ease;
  -webkit-animation: loader4 1s infinite ease;
  -ms-animation: loader4 1s infinite ease;
  animation: loader4 1s infinite ease;
}
.loader4:after {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  border: 3px solid transparent;
  border-left: 3px solid #000;
  border-bottom: 3px solid #000;
  -o-animation: loader4 1.5s infinite ease;
  -moz-animation: loader4 1.5s infinite ease;
  -webkit-animation: loader4 1.5s infinite ease;
  -ms-animation: loader4 1.5s infinite ease;
  animation: loader4 1.5s infinite ease;
}
@-o-keyframes loader4 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-moz-keyframes loader4 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-webkit-keyframes loader4 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@-ms-keyframes loader4 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes loader4 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/*end loader4*/

/*loader 5*/

.loader5 {
  width: 64px;
  height: 64px;
  position: relative;
  border-radius: 50%;
  animation: loader5 1.5s infinite ease reverse;
  margin: 3em auto;
}
.loader5:after {
  content: '';
  display: block;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-bottom-color: #fff;
  border-left-color: #fff;
  margin: -3px;
  animation: loader5 3s infinite ease reverse;
}
.loader5:before {
  content: '';
  display: block;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid transparent;
  border-right-color: #000;
  border-top-color: #000;
  animation: loader5 3s infinite ease;
}
@keyframes loader5 {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/*end loader5*/

html,
body {
  width: 100%;
  height: 100%;
  background-color: #333;
  margin: 0;
  padding: 0;
}

＆＃13;

Answer 1

这是因为加载器使用margin:auto居中，当屏幕高度不够时，您会注意到弯曲效果。从chrome dev工具中查看以下图片：

解决方案：将所有加载器包装在div中并将其赋予overflow:hidden

<强> HTML

<div class="wrapper">
  <div class="loader1"></div>
  <div class="loader2"></div>
  <div class="loader3"></div>
  <div class="loader4"></div>
  <div class="loader5"></div>
</div>

<强> CSS

.wrapper {
  overflow: hidden;
}

<强> DEMO

CSS旋转方块导致高度弯曲 - Chrome

1 个答案: