body {
    background-color: cornflowerblue;
    margin: 0;
    width: 100vw;
    height: 100vh;
}

section {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle-container {
    position: relative;
    width: 350px;
    height: 350px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle-border {
    width: 350px; 
    height: 350px;
    position: absolute;
    border-radius: 50%;
    border: 20px solid white;
    border-top: 20px solid red; 
    transition: transform 2s ease-in-out;
    box-sizing: border-box;
}

.circle-container:hover .circle-border {
    transform: rotate(360deg);
}

.circle-container:not(:hover) .circle-border {
    transition: none; 
    transform: rotate(0deg);
}

.circle {
    width: 310px; 
    height: 310px;
    background-color: gray;
    border-radius: 50%;
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
}

h1 {
    font-size: 2rem;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: white;
    position: absolute;
}