<div class="night"> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> <div class="shooting_star"></div> </div>
body {
background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
height: 100vh;
overflow: hidden;
display: flex;
font-family: 'Anton', sans-serif;
justify-content: center;
align-items: center;
}
.night {
position: relative;
100%;
height: 100%;
-webkit-transform: rotateZ(45deg);
transform: rotateZ(45deg);
}
.shooting_star {
position: absolute;
left: 50%;
top: 50%;
height: 2px;
background: linear-gradient(-45deg, #5f91ff, rgba(0, 0, 255, 0));
border-radius: 999px;
-webkit-filter: drop-shadow(0 0 6px #699bff);
filter: drop-shadow(0 0 6px #699bff);
-webkit-animation: tail 3000ms ease-in-out infinite, shooting 3000ms ease-in-out infinite;
animation: tail 3000ms ease-in-out infinite, shooting 3000ms ease-in-out infinite;
}
.shooting_star::before, .shooting_star::after {
content: '';
position: absolute;
top: calc(50% - 1px);
right: 0;
height: 2px;
background: linear-gradient(-45deg, rgba(0, 0, 255, 0), #5f91ff, rgba(0, 0, 255, 0));
-webkit-transform: translateX(50%) rotateZ(45deg);
transform: translateX(50%) rotateZ(45deg);
border-radius: 100%;
-webkit-animation: shining 3000ms ease-in-out infinite;
animation: shining 3000ms ease-in-out infinite;
}
.shooting_star::after {
-webkit-transform: translateX(50%) rotateZ(-45deg);
transform: translateX(50%) rotateZ(-45deg);
}
.shooting_star:nth-child(1) {
top: calc(50% - 200px);
left: calc(50% - 105px);
-webkit-animation-delay: 9592ms;
animation-delay: 9592ms;
}
.shooting_star:nth-child(1)::before, .shooting_star:nth-child(1)::after, .shooting_star:nth-child(1)::after {
-webkit-animation-delay: 9592ms;
animation-delay: 9592ms;
}
.shooting_star:nth-child(2) {
top: calc(50% - -18px);
left: calc(50% - 87px);
-webkit-animation-delay: 5908ms;
animation-delay: 5908ms;
}
.shooting_star:nth-child(2)::before, .shooting_star:nth-child(2)::after, .shooting_star:nth-child(2)::after {
-webkit-animation-delay: 5908ms;
animation-delay: 5908ms;
}
.shooting_star:nth-child(3) {
top: calc(50% - 131px);
left: calc(50% - 81px);
-webkit-animation-delay: 1191ms;
animation-delay: 1191ms;
}
.shooting_star:nth-child(3)::before, .shooting_star:nth-child(3)::after, .shooting_star:nth-child(3)::after {
-webkit-animation-delay: 1191ms;
animation-delay: 1191ms;
}
.shooting_star:nth-child(4) {
top: calc(50% - 178px);
left: calc(50% - 252px);
-webkit-animation-delay: 9638ms;
animation-delay: 9638ms;
}
.shooting_star:nth-child(4)::before, .shooting_star:nth-child(4)::after, .shooting_star:nth-child(4)::after {
-webkit-animation-delay: 9638ms;
animation-delay: 9638ms;
}
.shooting_star:nth-child(5) {
top: calc(50% - 54px);
left: calc(50% - 207px);
-webkit-animation-delay: 2554ms;
animation-delay: 2554ms;
}
.shooting_star:nth-child(5)::before, .shooting_star:nth-child(5)::after, .shooting_star:nth-child(5)::after {
-webkit-animation-delay: 2554ms;
animation-delay: 2554ms;
}
.shooting_star:nth-child(6) {
top: calc(50% - 170px);
left: calc(50% - 257px);
-webkit-animation-delay: 2165ms;
animation-delay: 2165ms;
}
.shooting_star:nth-child(6)::before, .shooting_star:nth-child(6)::after, .shooting_star:nth-child(6)::after {
-webkit-animation-delay: 2165ms;
animation-delay: 2165ms;
}
.shooting_star:nth-child(7) {
top: calc(50% - -93px);
left: calc(50% - 69px);
-webkit-animation-delay: 9997ms;
animation-delay: 9997ms;
}
.shooting_star:nth-child(7)::before, .shooting_star:nth-child(7)::after, .shooting_star:nth-child(7)::after {
-webkit-animation-delay: 9997ms;
animation-delay: 9997ms;
}
.shooting_star:nth-child(8) {
top: calc(50% - 106px);
left: calc(50% - 99px);
-webkit-animation-delay: 422ms;
animation-delay: 422ms;
}
.shooting_star:nth-child(8)::before, .shooting_star:nth-child(8)::after, .shooting_star:nth-child(8)::after {
-webkit-animation-delay: 422ms;
animation-delay: 422ms;
}
.shooting_star:nth-child(9) {
top: calc(50% - -17px);
left: calc(50% - 35px);
-webkit-animation-delay: 2714ms;
animation-delay: 2714ms;
}
.shooting_star:nth-child(9)::before, .shooting_star:nth-child(9)::after, .shooting_star:nth-child(9)::after {
-webkit-animation-delay: 2714ms;
animation-delay: 2714ms;
}
.shooting_star:nth-child(10) {
top: calc(50% - -114px);
left: calc(50% - 232px);
-webkit-animation-delay: 6136ms;
animation-delay: 6136ms;
}
.shooting_star:nth-child(10)::before, .shooting_star:nth-child(10)::after, .shooting_star:nth-child(10)::after {
-webkit-animation-delay: 6136ms;
animation-delay: 6136ms;
}
.shooting_star:nth-child(11) {
top: calc(50% - 175px);
left: calc(50% - 73px);
-webkit-animation-delay: 9617ms;
animation-delay: 9617ms;
}
.shooting_star:nth-child(11)::before, .shooting_star:nth-child(11)::after, .shooting_star:nth-child(11)::after {
-webkit-animation-delay: 9617ms;
animation-delay: 9617ms;
}
.shooting_star:nth-child(12) {
top: calc(50% - -137px);
left: calc(50% - 300px);
-webkit-animation-delay: 8175ms;
animation-delay: 8175ms;
}
.shooting_star:nth-child(12)::before, .shooting_star:nth-child(12)::after, .shooting_star:nth-child(12)::after {
-webkit-animation-delay: 8175ms;
animation-delay: 8175ms;
}
.shooting_star:nth-child(13) {
top: calc(50% - 64px);
left: calc(50% - 125px);
-webkit-animation-delay: 2715ms;
animation-delay: 2715ms;
}
.shooting_star:nth-child(13)::before, .shooting_star:nth-child(13)::after, .shooting_star:nth-child(13)::after {
-webkit-animation-delay: 2715ms;
animation-delay: 2715ms;
}
.shooting_star:nth-child(14) {
top: calc(50% - 144px);
left: calc(50% - 266px);
-webkit-animation-delay: 9024ms;
animation-delay: 9024ms;
}
.shooting_star:nth-child(14)::before, .shooting_star:nth-child(14)::after, .shooting_star:nth-child(14)::after {
-webkit-animation-delay: 9024ms;
animation-delay: 9024ms;
}
.shooting_star:nth-child(15) {
top: calc(50% - -70px);
left: calc(50% - 111px);
-webkit-animation-delay: 4994ms;
animation-delay: 4994ms;
}
.shooting_star:nth-child(15)::before, .shooting_star:nth-child(15)::after, .shooting_star:nth-child(15)::after {
-webkit-animation-delay: 4994ms;
animation-delay: 4994ms;
}
.shooting_star:nth-child(16) {
top: calc(50% - -147px);
left: calc(50% - 196px);
-webkit-animation-delay: 6546ms;
animation-delay: 6546ms;
}
.shooting_star:nth-child(16)::before, .shooting_star:nth-child(16)::after, .shooting_star:nth-child(16)::after {
-webkit-animation-delay: 6546ms;
animation-delay: 6546ms;
}
.shooting_star:nth-child(17) {
top: calc(50% - -49px);
left: calc(50% - 240px);
-webkit-animation-delay: 895ms;
animation-delay: 895ms;
}
.shooting_star:nth-child(17)::before, .shooting_star:nth-child(17)::after, .shooting_star:nth-child(17)::after {
-webkit-animation-delay: 895ms;
animation-delay: 895ms;
}
.shooting_star:nth-child(18) {
top: calc(50% - 171px);
left: calc(50% - 3px);
-webkit-animation-delay: 4390ms;
animation-delay: 4390ms;
}
.shooting_star:nth-child(18)::before, .shooting_star:nth-child(18)::after, .shooting_star:nth-child(18)::after {
-webkit-animation-delay: 4390ms;
animation-delay: 4390ms;
}
.shooting_star:nth-child(19) {
top: calc(50% - -57px);
left: calc(50% - 58px);
-webkit-animation-delay: 5414ms;
animation-delay: 5414ms;
}
.shooting_star:nth-child(19)::before, .shooting_star:nth-child(19)::after, .shooting_star:nth-child(19)::after {
-webkit-animation-delay: 5414ms;
animation-delay: 5414ms;
}
.shooting_star:nth-child(20) {
top: calc(50% - 109px);
left: calc(50% - 174px);
-webkit-animation-delay: 9384ms;
animation-delay: 9384ms;
}
.shooting_star:nth-child(20)::before, .shooting_star:nth-child(20)::after, .shooting_star:nth-child(20)::after {
-webkit-animation-delay: 9384ms;
animation-delay: 9384ms;
}
@-webkit-keyframes tail {
0% {
0;
}
30% {
100px;
}
100% {
0;
}
}
@keyframes tail {
0% {
0;
}
30% {
100px;
}
100% {
0;
}
}
@-webkit-keyframes shining {
0% {
0;
}
50% {
30px;
}
100% {
0;
}
}
@keyframes shining {
0% {
0;
}
50% {
30px;
}
100% {
0;
}
}
@-webkit-keyframes shooting {
0% {
-webkit-transform: translateX(0);
transform: translateX(0);
}
100% {
-webkit-transform: translateX(300px);
transform: translateX(300px);
}
}
@keyframes shooting {
0% {
-webkit-transform: translateX(0);
transform: translateX(0);
}
100% {
-webkit-transform: translateX(300px);
transform: translateX(300px);
}
}
@-webkit-keyframes sky {
0% {
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
}
100% {
-webkit-transform: rotate(405deg);
transform: rotate(405deg);
}
}
@keyframes sky {
0% {
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
}
100% {
-webkit-transform: rotate(405deg);
transform: rotate(405deg);
}
}
radial-gradient()函数创建一个由原点（渐变中心）辐射开的颜色渐变的图片，边缘形状只能为为circle（圆形）或者ellipse（椭圆）；
语法：
radial-gradient(circle at center, red 0, blue, green 100%) /* 从元素中心点渐变,起始色为red，渐变到blue，终止色为green*/