效果展示
代码展示
Document * {
margin: 0;
padding: 0;
box-sizing: border-box;
}html,
body {
height: 100%;
}body {
overflow-x: hidden;
}section {
position: relative;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
background-image: linear-gradient(94.3deg, rgba(26, 33, 64, 1) 10.9%, rgba(81, 84, 115, 1) 87.1%);
overflow: hidden;
}section::before {
position: absolute;
content: "";
z-index: 2;
width: 450px;
height: 450px;
top: 50%;
left: 50%;
background-color: #FFE53B;
transform: translate(-100%, -80%);
border-radius: 50%;
background-image: linear-gradient(147deg, #FFE53B 0%, #FF2425 74%);
box-shadow: 0px 0px 0px 0px rgba(255, 255, 255, .2);
animation: pulse 1.5s infinite;
}section::after {
position: absolute;
content: "";
z-index: 2;
width: 300px;
height: 300px;
top: 50%;
left: 50%;
background-color: #FA8BFF;
background-image: linear-gradient(45deg, #FA8BFF, 0%, #2BD2FF 50%, #2BFF88 90%);
border-radius: 50%;
box-shadow: 0px 0px 0px 0px rgba(255, 255, 255, .2);
animation: pulse 1.5s infinite;
}@keyframes pulse {
0% {
box-shadow: 0 0 0 50px rgba(255, 255, 255, .2);
}100% {
box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
}
}form {
position: relative;
z-index: 3;
width: 300px;
background-color: rgba(255, 255, 255, .1);
padding: 45px 30px;
border-radius: 8px;
box-shadow: 0 20px 50px rgba(0, 0, 0, .1);
border: 1px solid rgba(255, 255, 255, .2);
backdrop-filter: blur(20px);
}form p {
color: #fff;
display: block;
text-align: center;
margin: 0 0 30px 0;
}input {
width: 100%;
height: 50px;
border-radius: 8px;
background-color: transparent;
border: 1px solid rgba(255, 255, 255, .5);
margin-bottom: 15px;
padding-left: 15px;
color: #fff;
outline: none;
}input::placeholder {
color: #fff;
}button {
width: 100%;
height: 50px;
border: 0;
background-image: linear-gradient(to right, #02AAB0 0%, #00CDAC 51%, #02AAB0 100%);
background-size: 200% auto;
color: #fff;
border-radius: 8px;
outline: none;
cursor: pointer;
box-shadow: 0 20px 40px rgba(0, 0, 0, .1);
transition: all ease .4s;
}button:hover {
background-position: right center;
color: #fff;
text-decoration: none;
}关键性代码说明
//设置渐变色背景
background-image: linear-gradient(to right, #02AAB0 0%, #00CDAC 51%, #02AAB0 100%);
//设置动画
animation: pulse 1.5s infinite;
@keyframes pulse {
0% {
box-shadow: 0 0 0 50px rgba(255, 255, 255, .2);
}100% {
box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
}
}//注意与 filter 区别
backdrop-filter: blur(20px);
// filter:模糊所有，包括内容
// backdrop-filter:只模糊背景，不包括内容//设置过度
transition: all ease .4s;
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