在下面
HTML
和
CSS
我创建了一个标题和一个图像动画,您也可以在
JSfiddle
here
:
body {
margin: 0;
}
/* 01.00 HEADER: Items in header */
.header_01 {
width: 80%;
height: 10vh;
position: absolute;
margin: auto;
top: 0;
left: 0;
right: 0;
z-index:99;
text-align: center;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
background-color: orange;
}
.header_02 {
width: 80%;
height: 10vh;
margin: 10vh auto 0;
position: sticky;
z-index:99;
top:0;
display: flex;
justify-content: space-between;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
background-color: yellow;
}
.image {
width: 30%;
height: 100%;
display: flex;
justify-content: center;
text-align: center;
align-items: center;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
background-color: green;
}
.navigation {
width: 70%;
height: 100%;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
background-color: aqua;
}
/* 02.00 NAVIGATION */
.navigation>ul {
height: 100%;
display: flex;
list-style: none;
margin: 0;
padding: 0;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
background-color: blue;
}
.navigation>ul>li {
width: 100%;
display: flex;
justify-content: center;
text-align: center;
align-items: center;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
}
/* 03.00 CONTENT */
.image_animation {
width: 80%;
margin-left: 10%;
margin-top: 15%;
float: left;
display: flex;
justify-content: space-between;
background-color: green;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
}
.image_list {
width: 100%;
position: relative;
background-color: red;
box-sizing: border-box;
border-style: solid;
border-width: 1px;
}
.image_list img {
width: 100%;
height: 100%;
}
.image1 {
height: 100%;
width: 100%;
float: left;
position: absolute;
}
.image2 {
height: 100%;
width: 100%;
float: left;
animation-delay: 2s;
}
.image_list div {
animation-name: animation_home_images;
animation-duration:4s;
animation-iteration-count:infinite;
animation-fill-mode: forwards;
opacity:0;
}
@keyframes animation_home_images {
50.0% {
opacity: 1
}
0%, 100%{
opacity: 0
}
}
<div class="header_01">
This is our webpage.
</div>
<div class="header_02">
<div class="image">
Image
</div>
<nav class="navigation">
<ul>
<li class="button_01"> 1.0 Main Menu </li>
<li class="button_01"> 2.0 Main Menu </li>
<li class="button_01"> 3.0 Main Menu </li>
</ul>
</nav>
</div>
<div class="image_animation">
<div class="image_list">
<div class="image1"><img src="http://placehold.it/101x101"></div>
<div class="image2"><img src="http://placehold.it/201x201"></div>
</div>
</div>
如你所见,我有一个
header
由两部分组成。第一
.header_01
一旦用户向下滚动页面,第二个
.header_02
应保持固定。我最初是用问题的答案来达到这个目的的
here
.
到目前为止,一切都很顺利。
现在我添加了一个
.image-animation
在标题下方
postion: absolute;
使动画工作所必需的属性。因此,我还添加了
z-index
对我
CSS
如答案所述
here
当用户向下滚动页面时,获取标题下的动画。
然而,不知何故我不能
Z指数
结合工作
position: sticky;
属性,因为当向下滚动时,两个标题都会消失。
你知道我的代码需要修改什么吗,所以一旦用户向下滚动:
a)第一
Healer-01
消失和消失
b)第二个
头标02
保持不变,并且
c)
.图像动画
在收割台后面。
