How to achieve style effect css when web page is loaded? (various style examples)

In the process of web front-end development, as a webmaster, you may want to consider how to use css to display the style waiting to be loaded when the page is loading. A good-looking css web page loading animation can reduce the user's waiting process Boring moments. So this article will introduce to you how to implement CSS loading animation?

Pure CSS code to implement page loading style:

1. Bar wave style The css loading animation code example is as follows:

<div class="spinner">
  <div class="re1"></div>
  <div class="re2"></div>
  <div class="re3"></div>
  <div class="re4"></div>
  <div class="re5"></div>
</div>
.spinner {
  margin: 100px auto;
  width: 50px;
  height: 60px;
  text-align: center;
  font-size: 10px;
}
 
.spinner > div {
  background-color: #67CF22;
  height: 100%;
  width: 6px;
  display: inline-block;
   
  -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
  animation: stretchdelay 1.2s infinite ease-in-out;
}
 
.spinner .re2 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}
 
.spinner .re3 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}
 
.spinner .re4 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}
 
.spinner .re5 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}
 
@-webkit-keyframes stretchdelay {
  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }  
  20% { -webkit-transform: scaleY(1.0) }
}
 
@keyframes stretchdelay {
  0%, 40%, 100% { 
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }  20% { 
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}

The code effect is as follows:

2. The css of the circular loop style is loading The animation code example is as follows:

.container1 > div, .container2 > div, .container3 > div {
  width: 6px;
  height: 6px;
  background-color: #333;
 
  border-radius: 100%;
  position: absolute;
  -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
  animation: bouncedelay 1.2s infinite ease-in-out;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}
 
.spinner .spinner-container {
  position: absolute;
  width: 100%;
  height: 100%;
}
 
.container2 {
  -webkit-transform: rotateZ(45deg);
  transform: rotateZ(45deg);
}
 
.container3 {
  -webkit-transform: rotateZ(90deg);
  transform: rotateZ(90deg);
}
 
.circle1 { top: 0; left: 0; }
.circle2 { top: 0; right: 0; }
.circle3 { right: 0; bottom: 0; }
.circle4 { left: 0; bottom: 0; }
 
.container2 .circle1 {
  -webkit-animation-delay: -1.1s;
  animation-delay: -1.1s;
}
 
.container3 .circle1 {
  -webkit-animation-delay: -1.0s;
  animation-delay: -1.0s;
}
 
.container1 .circle2 {
  -webkit-animation-delay: -0.9s;
  animation-delay: -0.9s;
}
 
.container2 .circle2 {
  -webkit-animation-delay: -0.8s;
  animation-delay: -0.8s;
}
 
.container3 .circle2 {
  -webkit-animation-delay: -0.7s;
  animation-delay: -0.7s;
}
 
.container1 .circle3 {
  -webkit-animation-delay: -0.6s;
  animation-delay: -0.6s;
}
 
.container2 .circle3 {
  -webkit-animation-delay: -0.5s;
  animation-delay: -0.5s;
}
 
.container3 .circle3 {
  -webkit-animation-delay: -0.4s;
  animation-delay: -0.4s;
}
 
.container1 .circle4 {
  -webkit-animation-delay: -0.3s;
  animation-delay: -0.3s;
}
 
.container2 .circle4 {
  -webkit-animation-delay: -0.2s;
  animation-delay: -0.2s;
}
 
.container3 .circle4 {
  -webkit-animation-delay: -0.1s;
  animation-delay: -0.1s;
}
 
@-webkit-keyframes bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0.0) }
  40% { -webkit-transform: scale(1.0) }
}
 
@keyframes bouncedelay {
  0%, 80%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 40% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}

The effect is as follows:

3. CSS loading animation implementation code of dot horizontal wave style The example is as follows:

.spinner > div {
  width: 30px;
  height: 30px;
  background-color: #67CF22;
 
  border-radius: 100%;
  display: inline-block;
  -webkit-animation: bouncedelay 1.4s infinite ease-in-out;
  animation: bouncedelay 1.4s infinite ease-in-out;
  /* Prevent first frame from flickering when animation starts */
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}
 
.spinner .bounce1 {
  -webkit-animation-delay: -0.32s;
  animation-delay: -0.32s;
}
 
.spinner .bounce2 {
  -webkit-animation-delay: -0.16s;
  animation-delay: -0.16s;
}
 
@-webkit-keyframes bouncedelay {
  0%, 80%, 100% { -webkit-transform: scale(0.0) }
  40% { -webkit-transform: scale(1.0) }
}
 
@keyframes bouncedelay {
  0%, 80%, 100% { 
    transform: scale(0.0);
    -webkit-transform: scale(0.0);
  } 40% { 
    transform: scale(1.0);
    -webkit-transform: scale(1.0);
  }
}

The effect is as follows:

The above is the specific code example introduction of this article about css loading and making different styles. I hope Be helpful to friends in need.

Note, introduction to properties related to css3 loading production:

CSS3 animation property, use the abbreviation property to bind animation to a

element.

The transform property applies a 2D or 3D transformation to an element. This property allows us to rotate, scale, move or tilt the element.

@keyframes property, through @keyframes rules, you can create animations. Animations are created by gradually changing one set of CSS styles into another. You can change this set of CSS styles multiple times during the animation. Specifies when the change occurs as a percentage, or via the keywords "from" and "to", which are equivalent to 0% and 100%. 0% is the start time of the animation, 100% is the end time of the animation. For best browser support, you should always define 0% and 100% selectors.

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