* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgb(58, 56, 56);
}

div {
    width: 200px;
    height: 200px;
    box-shadow: 16px 14px 20px #0000008c;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
div::before{
    content: "";
    background-image: conic-gradient(
        rgb(0, 255, 13) 25deg,
        rgba(255, 0, 0, 0.6) 70deg,
        transparent 140deg
    );
    width: 150%;
    height: 150%;
    position: absolute;
    animation: rotate 2s linear infinite;
}
div::after{
    content: "Animation";
    width: 190px;
    height: 190px;
    background: rgb(58, 56, 56);
    position: absolute;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: orange;
    font-size: larger;
    letter-spacing: 5px;
    box-shadow: inset 20px 20px 20px #0000008c;
}
@keyframes rotate {
    0%{
        transform: rotate(0deg);
    }
    100%{
        transform: rotate(-360deg);
    }
}