How to use pure CSS to achieve diamond loader effect
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Code interpretation
Define dom, which contains nine child elements in a container:
Centered display:
Body {
Margin:0
Height:100vh
Display:flex
Align-items:center
Justify-content:center
Background-color:black
}
Defines the size of the container and child elements, which is a large square containing 9 small squares:
.loader {
Width:10em
Height:10em
Display:grid
Grid-template-columns:repeat (3Jing 1fr)
Grid-gap:0.5em
}
Adjust the pattern to include 9 small diamonds in the big diamond:
.loader {
Transform:rotate (45deg)
}
To color a small diamond in vertical units:
.loaderspan {
Background-color:var (--c)
}
.loaderspan:nth-child (7) {
-- c:tomato
}
.loaderspan:nth-child (4)
.loaderspan:nth-child (8) {
-- c:gold
}
.loaderspan:nth-child (1)
.loaderspan:nth-child (5)
.loaderspan:nth-child (9) {
-- c:limegreen
}
.loaderspan:nth-child (2)
.loaderspan:nth-child (6) {
-- c:dodgerblue
}
.loaderspan:nth-child (3) {
-- c:mediumpurple
}
Define animation effects:
.loaderspan {
Animation:blinking2slinearinfinite
Animation-delay:var (--d)
Transform:scale (0)
}
@ keyframesblinking {
0% 100% {
Transform:scale (0)
}
40% 80% {
Transform:scale (1)
}
}
Finally, set the delay for the small diamond to enhance the sense of motion:
.loaderspan:nth-child (7) {
-- dDRO _ 0s
}
.loaderspan:nth-child (4)
.loaderspan:nth-child (8) {
-- dvl 0.2s
}
.loaderspan:nth-child (1)
.loaderspan:nth-child (5)
.loaderspan:nth-child (9) {
-- dDUR 0.4s
}
.loaderspan:nth-child (2)
.loaderspan:nth-child (6) {
-- dvl 0.6s
}
.loaderspan:nth-child (3) {
-- dvl 0.8s
}
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