CSS3 animation (1): 5 types of pre-loaded animation effects and 35 types of CSS
Animation effect:
Preload Animation 1: Double Rotation
Rotate circles in two different directions. We define a CSS code for the rotation speed of the inner ring, that is, the inner ring is twice faster than the outer ring.
Implementation:
Html code:
<body style="background: #ffb83c;"> <div id="preloader-1"> <span></span> <span></span> </div></body>
Css code:
#preloader-1{ position: relative;}#preloader-1 span{ position: absolute; border:8px solid #fff; border-top:8px solid transparent; border-radius: 999px;}#preloader-1 span:nth-child(1){ width:80px; height: 80px; animation: spin-1 2s infinite linear;}#preloader-1 span:nth-child(2){ top:20px; left:20px; width:40px; height: 40px; animation: spin-2 1s infinite linear;}@keyframes spin-1{ 0%{transform: rotate(360deg); opacity: 1.0;} 50%{transform: rotate(180deg); opacity: 0.5;} 100%{transform: rotate(0deg);opacity: 0;}}@keyframes spin-2{ 0%{transform: rotate(0deg); opacity: 0.5;} 50%{transform: rotate(180deg); opacity: 1;} 100%{transform: rotate(360deg);opacity: 0.5;}}
Preload Animation 2: staggered circles
The two circles are horizontally staggered and moved back and forth. Each circle has a separate reverse animation parameter.
Effect:
Html code:
<body style="background: #4ad3b4;"> <div id="preloader-2"> <span></span> <span></span> </div></body>
Css code:
#preloader-2{ position: relative;}#preloader-2 span{ position: absolute; width:30px; height: 30px; background: #fff; border-radius: 999px;}#preloader-2 span:nth-child(1){ animation: cross-1 1.5s infinite linear;}#preloader-2 span:nth-child(2){ animation: cross-2 1.5s infinite linear;}@keyframes cross-1{ 0%{transform: translateX(0); opacity: 0.5;} 50%{transform: translateX(80px); opacity: 1;} 100%{transform: translateX(0);opacity: 0.5;}}@keyframes cross-2{ 0%{transform: translateX(80px); opacity: 0.5;} 50%{transform: translateX(0); opacity: 1;} 100%{transform: translateX(80px);opacity: 0.5;}}
Preload animation 3: rotating circle
Effect:
Html code:
<body style="background: #ab69d9;"> <div id="preloader-3"> <span></span> </div></body>
Css code:
#preloader-3{ position: relative; width:80px; height: 80px; border:4px solid rgba(255,255,255,.25); border-radius: 999px; }#preloader-3 span{ position: absolute; width:80px; height:80px; border:4px solid transparent; border-top:4px solid #fff; border-radius: 999px; top:-4px; left:-4px; animation: rotate 1s infinite linear;}@keyframes rotate{ 0%{transform: rotate(0deg);} 100%{transform: rotate(360deg);}}
Pre-loaded animation 4: beating circle
This is an animated Mexican ripple, which is achieved by setting the delay parameter between different circles.
Effect:
Html code:
<body style="background: #c1d64a;"> <div id="preloader-4"> <span></span> <span></span> <span></span> <span></span> <span></span> </div></body>
Css code:
#preloader-4{ position: relative;}#preloader-4 span{ position:absolute; width:16px; height: 16px; border-radius: 999px; background: #fff; animation: bounce 1s infinite linear;}#preloader-4 span:nth-child(1){ left:0; animation-delay: 0s;}#preloader-4 span:nth-child(2){ left:20px; animation-delay: 0.25s;}#preloader-4 span:nth-child(3){ left:40px; animation-delay: 0.5s;}#preloader-4 span:nth-child(4){ left:60px; animation-delay: 0.75s;}#preloader-4 span:nth-child(5){ left:80px; animation-delay: 1.0s;}@keyframes bounce{ 0%{transform: translateY(0px);opacity: 0.5;} 50%{transform: translateY(-30px);opacity: 1.0;} 100%{transform: translateY(0px);opacity: 0.5;}}
Pre-loaded animation 5: Radar circle
A radar radiation effect, giving threespan elements
Set the same fade-in and fade-out effect, and then implement it with a slight delay.
Effect:
Html code:
<body style="background: #f9553f;"> <div id="preloader-5"> <span></span> <span></span> <span></span> </div></body>
Css code:
#preloader-5{ position: relative;}#preloader-5 span{ position:absolute; width:50px; height: 50px; border:5px solid #fff; border-radius: 999px; opacity: 0; animation: radar 2s infinite linear;}#preloader-5 span:nth-child(1){ animation-delay: 0s;}#preloader-5 span:nth-child(2){ animation-delay: 0.66s;}#preloader-5 span:nth-child(3){ animation-delay: 1.33s;}@keyframes radar{ 0%{transform: scale(0);opacity: 0;} 25%{transform: scale(0);opacity: 0.5;} 50%{transform: scale(1);opacity: 1.0;} 75%{transform: scale(1.5);opacity: 0.5;} 100%{transform: scale(2);opacity: 0;}}