<!DOCTYPE html>
<body>
<div style="flex: 1;height: 300px;z-index: 10;box-shadow: inset 0 0 300px rgba(0, 0, 0, 0.99);">
left
</div>
<div class="showbox border box-shadow">
<div class="left border">
左
</div>
<div class="right border">
右
</div>
<div id="imgbox" class="center imgbox">
<img src="https://cdn.pixabay.com/photo/2018/01/03/05/33/the-sun-3057622__340.jpg" />
<img src="https://cdn.pixabay.com/photo/2021/07/29/20/23/mountains-6508015_960_720.jpg" />
<img src="https://cdn.pixabay.com/photo/2021/07/29/21/03/cereals-6508088__340.jpg" />
<img src="https://cdn.pixabay.com/photo/2018/01/03/05/33/the-sun-3057622__340.jpg" />
</div>
</div>
<div style="flex: 1;height: 300px;z-index: 10;box-shadow: inset 0 0 300px rgba(0, 0, 0, 0.99);" >
right
</div>
</body>
<!-- <script>
let a = 0
let max = 300 * 3;
window.onload = function() {
refresh();
}
function refresh() {
document.getElementById("imgbox").style.left = a + "px";
}
function left() {
a = (a-300)%max;
refresh();
}
function right () {
a = (a+300)%max;
refresh();
}
</script> -->
<style>
body {
width: 100%;
height: 100%;
z-index: 0;
box-shadow: inset 0 0 300px rgba(0, 0, 0, 0.1);
}
.center {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
}
.showbox {
width: 300px;
height: 300px;
position: relative;
overflow: visible;
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
opacity: 1;
}
.left {
position: absolute;
left: 0;
top: 50%;
cursor: pointer;
background: blue;
z-index: 100;
}
.right {
position: absolute;
right: 0;
top: 50%;
cursor: pointer;
background: blue;
z-index: 100;
}
.border {
border: 1px solid black;
}
.centerimg {
width: 100%;
height: 100%;
}
.myimg {
width: 300px;
height: 300px;
z-index: -1;
opacity: 1;
}
.imgbox {
position: absolute;
left: -600px;
top: 0;
z-index: -1;
animation: slideshow 10s both infinite;
}
@keyframes slideshow {
0% {
left: -900px;
}
33% {
left: -600px;
}
66% {
left: -300px;
}
100% {
left: 0;
}
}
</style>
</html>
