От квадрата перекрытия помогает
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Код:
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clip: rect(0px, 100%, 50%, 50%); |
(по крайней мере в данном случае)
Обводка в 1 пкс при закр. уголках -- изчеснет, если вырезать по кругу, уменьшить его на 1%
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Код:
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clip-path: circle(49% at center); |
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Preloader</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" >
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui">
</head>
<body>
<style scoped>
html, body {
height: 100%;
}
body {
margin: 0;
display: flex;
}
.preloader {
--size: 150px;
margin: auto;
width: var(--size);
height: var(--size);
cursor: pointer;
}
.circle {
border-radius: 50%;
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
background: #eee;
transform: scale(.999);
clip-path: circle(49% at center);
}
.circle > .circle {
transform: scale(.666) scaleX(-1);
}
.circle::before {
content: "";
position: absolute;
width: 100%;
height: 100%;
background: #eee;
border-radius: 50%;
animation: swinger 3s linear infinite normal;
clip: rect(0px, var(--size), calc(var(--size) / 2), calc(var(--size) / 2));
}
.circle.orange {
background: radial-gradient(circle at 0% 100%, transparent 72%, rgba(187, 64, 1, 0.8) 74%, transparent 83%),
radial-gradient(circle at 10% 120%, transparent 72%, rgba(187, 64, 1, 0.8) 78%, transparent 86%),
linear-gradient(to top, #FF7D00, #FB7E01 50%, #FC5200 calc(50% + 1px), #FC5101);
}
.circle.blue {
background: radial-gradient(circle at 0% 100%, transparent 72%, rgba(8,58,77, 0.8) 74%, transparent 83%),
radial-gradient(circle at 10% 120%, transparent 72%, rgba(8,58,77, 0.8) 78%, transparent 86%),
#50A2CA;
}
.circle.purple {
background: radial-gradient(circle at 0% 100%, transparent 72%, rgba(59,46,67, 0.8) 74%, transparent 83%),
radial-gradient(circle at 10% 120%, transparent 72%, rgba(59,46,67, 0.8) 78%, transparent 86%),
#5B4A69;
}
@keyframes swinger {
from {
transform: rotate(0);
}
to {
transform: rotate(1turn);
}
}
</style>
<div role="presentation" class="preloader">
<div class="circle orange">
<div class="circle blue">
<div class="circle purple">
<div class="circle"></div>
</div>
</div>
</div>
</div>
</body>
</html>