CSS3背景動(dòng)畫特效是設(shè)計(jì)師們廣泛使用的一種技巧，它能夠使網(wǎng)頁背景更加生動(dòng)有趣。下面就來介紹一些常見的CSS3背景動(dòng)畫特效。

/* 線性漸變背景動(dòng)畫 */
background: linear-gradient(to bottom, #4b0d9c, #e91e63);
background-size: 400% 400%;
animation: GradientBG 10s ease infinite;
@keyframes GradientBG {
0% {
background-position: 0% 0%;
}
100% {
background-position: 100% 100%;
}
}
/* 徑向漸變背景動(dòng)畫 */
background: radial-gradient(circle, #f8b500, #ff5400);
background-size: 400% 400%;
animation: GradientBG 10s ease infinite;
@keyframes GradientBG {
0% {
background-position: 0% 0%;
}
100% {
background-position: 100% 100%;
}
}
/* CSS3雪花背景動(dòng)畫 */
background-image: url("snowflakes.png");
background-size: 200px 200px;
animation: snowflakes 20s linear infinite;
@keyframes snowflakes {
0% {
background-position: 0 0;
}
100% {
background-position: 200px 200px;
}
}
/* CSS3水波動(dòng)畫 */
background: #000;
background-size: 50px 50px;
animation: wave-anim 3s infinite linear;
@keyframes wave-anim {
0% {
background-position: 0 0;
}
100% {
background-position: 50px 50px;
}
}
/* CSS3背景圖像縮放動(dòng)畫 */
background: url("image.jpg") no-repeat center center fixed;
background-size: cover;
animation: zoom-in-out 20s ease-in-out infinite;
@keyframes zoom-in-out {
0%,
100% {
transform: scale(1);
}
50% {
transform: scale(2);
}
}

以上是幾種常見的CSS3背景動(dòng)畫特效的示例。通過這些特效，你可以使網(wǎng)頁更加生動(dòng)有趣，為用戶帶來更好的使用體驗(yàn)。