我给header设置了100vh,希望第一个屏幕背景色渐变。但是在header内放落叶特效却被挤在了下面,不知道怎么修改了
以下是效果图:
源代码:
<template>
<div class="header">
<div v-for="item of 500" :key="item" class="snowflake"></div>
<div class="title">
<div class="title__top">驶出孤岛</div>
<div class="title__row">
<div class="title__row__left">的</div>
<div class="title__row__right">淘金者</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: "Home",
};
</script>
<style lang="scss" scoped>
@import "../../style/viriables.scss";
* {
margin: 0;
box-sizing: border-box;
}
.header {
width: 100%;
height: 100vh;
display: flex;
justify-content: center;
background: linear-gradient(to top, rgb(255, 255, 255), #000);
background: -webkit-linear-gradient(
to top,
rgb(255, 255, 255),
#000
); /* Safari 5.1-6.0 */
background: -o-linear-gradient(
to top,
rgb(255, 255, 255),
#000
); /* Opera 11.1-12.0 */
background: -moz-linear-gradient(
to top,
rgb(255, 255, 255),
#000
); /* Firefox 3.6-15 */
background: linear-gradient(to top, rgb(255, 255, 255), #000); /* 标准语法 */
.title {
width: 90%;
height: 3.56rem;
margin: 2.6rem 0 0 0;
letter-spacing: 0.5rem;
&__top {
display: block;
font-size: 1.496rem;
font-family: 宋体;
font-weight: bold;
margin-left: 1rem;
}
&__row {
display: flex;
justify-content: flex-end;
&__left {
color: #f0f0f0;
font-size: 1.2rem;
font-family: 宋体;
padding-right: 0.1rem;
margin-top: 0.15rem;
}
&__right {
color: #000;
font-size: 1.6rem;
font-family: "Lucida Calligraphy", cursive, serif, sans-serif;
padding-right: 0.5rem;
}
}
}
}
.snowflake {
--size: 1vw;
width: var(--size);
height: var(--size);
background: url(../../images/falling.gif) no-repeat; //雪花图片 也可以画圆
background-size: 100% 100%;
position: fixed;
top: -10vh; //出事高度在屏幕外 效果更真实
z-index: -10; //背景图层不遮挡上面元素
}
@keyframes fall {
100% {
transform: translate3d(var(--end), 100vh, 0);
}
}
@for $i from 0 through 200 {
.snowflake:nth-child(#{$i}) {
//每个雪花的大小
--size: #{random(6) * 0.1}vw;
//雪花移动目标点
--end: #{random(20) - 0}vw;
//雪花初始位置
left: #{random(150)}vw;
//雪花从顶到底移动的动画 动画时间可以调整雪花速度
animation: fall #{5 + random(8)}s linear infinite;
animation-delay: -#{random(10)}s;
}
}
</style>