這篇文章為大家介紹的文章內容是關於如何使用純CSS實現一顆土星的效果，有很好的參考價值，希望可以幫助到有需要的朋友。
定義dom，容器本身表示土星星球，其中的ring 元素表示土星環：
<p> <span></span> </p>
居中顯示：
body {
margin: 0;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
background-color: black;
}定義容器尺寸：
.saturn {
width: 20em;
height: 20em;
font-size: 20px;
}畫出土星星球（此為草稿，後面也會精進） ：
.saturn {
position: relative;
}
.saturn::before,
.saturn::after {
content: '';
position: absolute;
width: 9em;
height: 9em;
background: linear-gradient(
palegoldenrod 0%,
tan 10%,
burlywood 30%,
palegoldenrod 60%,
darkgray 100%
);
border-radius: 50%;
left: calc((20em - 9em) / 2);
top: calc((20em - 9em) / 2);
}畫出土星環（此為草稿，後面還會細化）：
.rings {
position: absolute;
width: inherit;
height: inherit;
background: radial-gradient(
transparent 35%,
dimgray 40%,
slategray 50%,
transparent 60%,
dimgray 60%,
slategray 70%,
transparent 70%
);
}改變觀察土星環的視角：
.rings {
transform: rotateX(75deg);
}為了讓土星呈現被土星環環繞的效果，把土星分為上下兩半，使它們和土星環的圖層順序從底到頂依序為：星球的下半部、土星環、星球的上半部：
.saturn::before {
clip-path: inset(50% 0 0 0);
}
.saturn::after {
clip-path: inset(0 0 50% 0);
}至此，畫出了土星的整體結構，接下來完善細節。
為土星環塗上豐富的漸層色：
.rings {
background: radial-gradient(
rgba(24,19,25,0) 0%,
rgba(53,52,51,0) 34%,
rgba(55,54,52,1) 36%,
rgba(56,55,53,1) 37%,
rgba(68,67,66,1) 38%,
rgba(56,55,53,1) 39%,
rgba(68,67,66,1) 40%,
rgba(56,55,53,1) 41%,
rgba(87,77,76,1) 42%,
rgba(87,77,76,1) 44%,
rgba(113,110,103,1) 46%,
rgba(113,110,103,1) 48%,
rgba(113,98,93,1) 49%,
rgba(113,98,93,1) 51%,
rgba(122,115,105,1) 52%,
rgba(113,98,93,1) 53%,
rgba(113,98,93,1) 54%,
rgba(122,115,105,1) 55%,
rgba(106,99,89,1) 56%,
rgba(106,99,89,1) 58%,
rgba(79,76,76,0) 60%,
rgba(65,64,70,1) 61%,
rgba(65,64,70,1) 62%,
rgba(90,85,89,1) 63%,
rgba(78,74,73,1) 65%,
rgba(78,73,74,1) 67%,
rgba(78,73,74,0) 68%,
rgba(78,73,75,1) 69%,
rgba(78,73,75,1) 70%,
rgba(78,73,76,0) 71%,
rgba(77,72,76,0) 72%,
rgba(24,19,25,0) 100%
);
}為星球塗上豐富的漸層色：
.saturn::before,
.saturn::after {
background:
linear-gradient(
rgba(212,203,174,1) 0%,
rgba(212,203,174,1) 10%,
rgba(221,203,157,1) 15%,
rgba(221,203,157,1) 17%,
rgba(213,181,143,1) 22%,
rgba(213,181,143,1) 26%,
rgba(208,180,158,1) 32%,
rgba(208,180,158,1) 36%,
rgba(218,188,162,1) 37%,
rgba(218,188,162,1) 39%,
rgba(211,184,157,1) 41%,
rgba(211,184,157,1) 49%,
rgba(205,186,156,1) 51%,
rgba(205,186,156,1) 52%,
rgba(202,176,153,1) 53%,
rgba(202,176,153,1) 65%,
rgba(190,177,145,1) 68%,
rgba(190,177,145,1) 80%,
rgba(150,144,130,1) 91%,
rgba(150,144,130,1) 95%,
rgba(131,129,117,1) 97%,
rgba(131,129,117,1) 100%
);
}再為星球增加光照效果：
.saturn::before,
.saturn::after {
background:
radial-gradient(
circle at top,
transparent 40%,
black
),
radial-gradient(
transparent 62%,
black
),
linear-gradient(
rgba(212,203,174,1) 0%,
rgba(212,203,174,1) 10%,
rgba(221,203,157,1) 15%,
rgba(221,203,157,1) 17%,
rgba(213,181,143,1) 22%,
rgba(213,181,143,1) 26%,
rgba(208,180,158,1) 32%,
rgba(208,180,158,1) 36%,
rgba(218,188,162,1) 37%,
rgba(218,188,162,1) 39%,
rgba(211,184,157,1) 41%,
rgba(211,184,157,1) 49%,
rgba(205,186,156,1) 51%,
rgba(205,186,156,1) 52%,
rgba(202,176,153,1) 53%,
rgba(202,176,153,1) 65%,
rgba(190,177,145,1) 68%,
rgba(190,177,145,1) 80%,
rgba(150,144,130,1) 91%,
rgba(150,144,130,1) 95%,
rgba(131,129,117,1) 97%,
rgba(131,129,117,1) 100%
);
}最後，把畫面旋轉一點角度：
.saturn {
transform: rotate(-15deg);
}大功告成！
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