HTML&CSS ：高颜值星空按钮
这段代码通过纯CSS实现了一个具有星空背景、闪烁星星和流星动画的高颜值按钮。按钮在鼠标悬停和点击时具有动态交互效果，整体设计美观且富有动感，适合用于创意页面或特殊主题的按钮设计。演示效果
HTML&CSS
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>公众号关注：前端Hardy</title>
<style>
body {
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #e8e8e8;
overflow: hidden;
}
button#space-btn {
width: 100%;
height: 100%;
position: relative;
overflow: hidden;
border: 0;
outline: 0;
border-radius: 11px;
background: #03001e;
background: linear-gradient(80deg, #ffcbf2, #ec38bc, #7303c0, #03001e);
cursor: pointer;
}
.btncontainer {
width: 200px;
height: 60px;
position: relative;
overflow: visible;
}
.btncontainer::after {
content: "";
width: 100%;
height: 100%;
position: absolute;
left: 0;
top: 20px;
z-index: -1;
background: #03001e;
background: linear-gradient(80deg, #ffcbf2, #ec38bc, #7303c0, #03001e);
filter: blur(20px);
opacity: 0;
}
.btncontainer:hover {
transform: scale(1.1);
transition: all 0.6s cubic-bezier(0.15, 0.83, 0.66, 1);
}
.btncontainer:hover:after {
transition: all 0.6s cubic-bezier(0.15, 0.83, 0.66, 1);
opacity: 1;
}
.btncontainer:active {
transform: scale(1);
}
.btncontainer:active:after {
opacity: 0;
}
button span {
color: white;
font-weight: 700;
font-size: 16px;
}
button#space-btn div.star {
width: 1px;
height: 1px;
background-color: white;
border-radius: 50%;
animation: blink 2s cubic-bezier(0.15, 0.83, 0.66, 1) infinite;
}
button#space-btn div.shooting-star {
width: 80px;
height: 1px;
position: absolute;
background: linear-gradient(80deg, #ffffffff, #ffffff00);
border-radius: 50%;
transform: rotate(-40deg);
opacity: 0;
}
button#space-btn div.shooting-star-1 {
animation: fallingStar1 4s 6s cubic-bezier(0.15, 0.83, 0.66, 1) infinite;
}
button#space-btn div.shooting-star-2 {
animation: fallingStar2 2s 10s cubic-bezier(0.15, 0.83, 0.66, 1) infinite;
}
button#space-btn div.shooting-star-3 {
animation: fallingStar3 8s 20s cubic-bezier(0.15, 0.83, 0.66, 1) infinite;
}
button#space-btn div.shooting-star-4 {
animation: fallingStar4 4s 6s cubic-bezier(0.15, 0.83, 0.66, 1) infinite;
}
@keyframes blink {
0% {
box-shadow: 0 0 10px 0 white;
}
50% {
box-shadow: 0 0 10px 2px white;
}
100% {
box-shadow: 0 0 10px 0 white;
}
}
@keyframes fallingStar1 {
0% {
top: -10px;
left: 220px;
opacity: 1;
}
100% {
top: 200px;
left: -20px;
opacity: 1;
}
}
@keyframes fallingStar2 {
0% {
top: -10px;
left: 150px;
opacity: 1;
}
100% {
top: 200px;
left: -90px;
opacity: 1;
}
}
@keyframes fallingStar3 {
0% {
top: -10px;
left: 80px;
opacity: 1;
}
100% {
top: 200px;
left: -160px;
opacity: 1;
}
}
@keyframes fallingStar4 {
0% {
top: -10px;
left: 0px;
opacity: 1;
}
100% {
top: 200px;
left: -240px;
opacity: 1;
}
}
</style>
</head>
<body>
<div class="btncontainer">
<button id="space-btn" name="space-button" type="submit">
<span>高颜值星空按钮</span>
<div style="position: absolute; left: 119.273px; top: 18.0747px; animation-delay: 3.37051s; transform: scale(0.196521);"
class="star"></div>
<div style="position: absolute; left: 166.774px; top: 47.4519px; animation-delay: 3.03913s; transform: scale(0.33078);"
class="star"></div>
<div style="position: absolute; left: 238.677px; top: 19.6434px; animation-delay: 3.85796s; transform: scale(1.29037);"
class="star"></div>
<div style="position: absolute; left: 22.2022px; top: 4.69534px; animation-delay: 4.9415s; transform: scale(1.82231);"
class="star"></div>
<div style="position: absolute; left: 206.74px; top: 40.7685px; animation-delay: 1.59195s; transform: scale(1.01375);"
class="star"></div>
<div style="position: absolute; left: 241.531px; top: 14.2516px; animation-delay: 1.67616s; transform: scale(0.811597);"
class="star"></div>
<div style="position: absolute; left: 14.754px; top: 25.2924px; animation-delay: 0.0348248s; transform: scale(0.102529);"
class="star"></div>
<div style="position: absolute; left: 220.444px; top: 43.9803px; animation-delay: 1.5106s; transform: scale(0.16088);"
class="star"></div>
<div style="position: absolute; left: 95.948px; top: 54.8942px; animation-delay: 3.18662s; transform: scale(1.7822);"
class="star"></div>
<div style="position: absolute; left: 30.3484px; top: 36.5984px; animation-delay: 4.30868s; transform: scale(1.16326);"
class="star"></div>
<div style="position: absolute; left: 184.622px; top: 20.0923px; animation-delay: 2.83829s; transform: scale(1.27781);"
class="star"></div>
<div style="position: absolute; left: 142.1px; top: 22.3542px; animation-delay: 2.73988s; transform: scale(1.62715);"
class="star"></div>
<div style="position: absolute; left: 145.079px; top: 6.97553px; animation-delay: 0.0408754s; transform: scale(0.468075);"
class="star"></div>
<div style="position: absolute; left: 6.67886px; top: 38.4849px; animation-delay: 3.84019s; transform: scale(0.272217);"
class="star"></div>
<div style="position: absolute; left: 201.17px; top: 39.9168px; animation-delay: 2.93587s; transform: scale(0.521258);"
class="star"></div>
<div style="position: absolute; left: 224.215px; top: 42.9903px; animation-delay: 0.895495s; transform: scale(0.0458902);"
class="star"></div>
<div style="position: absolute; left: 42.2308px; top: 9.78383px; animation-delay: 4.58407s; transform: scale(0.0422065);"
class="star"></div>
<div style="position: absolute; left: 91.2734px; top: 14.0408px; animation-delay: 2.05927s; transform: scale(0.11997);"
class="star"></div>
<div style="position: absolute; left: 35.6985px; top: 52.6403px; animation-delay: 3.07343s; transform: scale(0.672992);"
class="star"></div>
<div style="position: absolute; left: 76.4191px; top: 48.453px; animation-delay: 2.35679s; transform: scale(1.46957);"
class="star"></div>
<div style="position: absolute; left: 184.503px; top: 4.18267px; animation-delay: 1.43409s; transform: scale(0.606616);"
class="star"></div>
<div style="position: absolute; left: 221.039px; top: 54.2493px; animation-delay: 2.92356s; transform: scale(0.638665);"
class="star"></div>
<div style="position: absolute; left: 185.612px; top: 44.3px; animation-delay: 1.36401s; transform: scale(1.65012);"
class="star"></div>
<div style="position: absolute; left: 154.027px; top: 45.9848px; animation-delay: 3.723s; transform: scale(1.4118);"
class="star"></div>
<div style="position: absolute; left: 220.591px; top: 4.95194px; animation-delay: 0.363098s; transform: scale(0.52369);"
class="star"></div>
<div style="position: absolute; left: 236.028px; top: 11.1663px; animation-delay: 3.67493s; transform: scale(0.956478);"
class="star"></div>
<div style="position: absolute; left: 110.241px; top: 20.2684px; animation-delay: 2.94906s; transform: scale(1.2193);"
class="star"></div>
<div style="position: absolute; left: 12.602px; top: 19.8836px; animation-delay: 4.072s; transform: scale(1.49026);"
class="star"></div>
<div style="position: absolute; left: 30.0911px; top: 37.9746px; animation-delay: 1.02002s; transform: scale(1.41008);"
class="star"></div>
<div style="position: absolute; left: 62.3096px; top: 9.64604px; animation-delay: 3.9445s; transform: scale(0.231214);"
class="star"></div>
<div style="position: absolute; left: 44.7189px; top: 32.4307px; animation-delay: 4.78921s; transform: scale(0.359408);"
class="star"></div>
<div style="position: absolute; left: 191.866px; top: 27.151px; animation-delay: 1.34451s; transform: scale(1.13484);"
class="star"></div>
<div style="position: absolute; left: 47.6744px; top: 3.00604px; animation-delay: 1.04567s; transform: scale(0.682023);"
class="star"></div>
<div style="position: absolute; left: 98.6225px; top: 49.6115px; animation-delay: 2.41384s; transform: scale(1.96254);"
class="star"></div>
<div style="position: absolute; left: 57.4785px; top: 29.6588px; animation-delay: 3.3569s; transform: scale(1.53118);"
class="star"></div>
<div style="position: absolute; left: 13.2213px; top: 24.538px; animation-delay: 1.69582s; transform: scale(1.6236);"
class="star"></div>
<div style="position: absolute; left: 131.656px; top: 31.1837px; animation-delay: 1.29918s; transform: scale(1.84486);"
class="star"></div>
<div style="position: absolute; left: 56.9067px; top: 51.9904px; animation-delay: 4.74375s; transform: scale(0.749788);"
class="star"></div>
<div style="position: absolute; left: 82.8361px; top: 54.3876px; animation-delay: 1.28648s; transform: scale(0.566118);"
class="star"></div>
<div style="position: absolute; left: 193.213px; top: 43.9428px; animation-delay: 0.390178s; transform: scale(1.411);"
class="star"></div>
<div style="animation-delay: 1.2122s;" class="shooting-star shooting-star-1"></div>
<div style="animation-delay: 0.777895s;" class="shooting-star shooting-star-2"></div>
<div style="animation-delay: 4.90483s;" class="shooting-star shooting-star-3"></div>
<div style="animation-delay: 3.66012s;" class="shooting-star shooting-star-4"></div>
</button>
</div>
</body>
</html>
HTML 结构
[*]btncontainer：按钮的容器，用于包裹按钮并实现一些视觉效果。
[*]space-btn：定义一个按钮，包含文字内容和多个SVG元素（星星和流星）。
[*]span：按钮中的文字内容。
[*]star：定义按钮上的星星动画。
[*]shooting-star：定义按钮上的流星动画。
CSS 样式
[*]body：设置页面背景颜色、布局方式（居中对齐）和全屏高度。
[*].btncontainer：定义按钮容器的样式，包括宽高、位置和过渡动画。
[*].btncontainer::after：为按钮容器添加一个模糊的背景，增强视觉效果。
[*].btncontainer:hover：鼠标悬停时，按钮放大并触发过渡动画。
[*].btncontainer:hover:after：鼠标悬停时，模糊背景的透明度增加。
[*].btncontainer:active：按钮点击时，按钮恢复原大小。
[*].btncontainer:active:after：按钮点击时，模糊背景的透明度恢复。
[*]button#space-btn：定义按钮的样式，包括背景渐变、圆角和无边框。
[*]button span：定义按钮文字的样式，包括颜色、字体大小和加粗。
[*].star：定义星星的样式，包括大小、背景颜色、圆角和闪烁动画。
[*].shooting-star：定义流星的样式，包括大小、背景渐变、圆角和移动动画。
[*]@keyframes blink：定义星星的闪烁动画。
[*]@keyframes fallingStar1、@keyframes fallingStar2、@keyframes fallingStar3、@keyframes fallingStar4：分别定义流星的移动动画。
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