<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.batt_top{
height: 2rem;
width: 10rem;
font-weight: 300;
border: 4px solid black;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
margin: 0 auto;
}
.battecontain{
height: 25rem;
width: 20rem;
/* font-weight: 300; */
border: 4px solid black;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
position: relative;
margin: 0 auto;
}
.content{
width: 100%;
bottom: 0;
/* z-index: -1; */
overflow-x: hidden;
animation: fill 6s linear infinite ;
/* background-color: red; */
}
@keyframes fill {
0%{
height: 0%;
background-color: red;
}
20%{
height: 20%;
background-color: rgb(243, 196, 67);
}
50%{
height: 50%;
background-color: yellow;
}
80%{
height: 80%;
background-color: greenyellow;
}
100%{
height: 100%;
background-color: rgb(13, 235, 13);
}
}
</style>
</head>
<body>
<div class="batt_top"></div>
<div class="battecontain">
<div class="content"></div>
</div>
</body>
</html>