html {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    overflow: hidden;
    font-family: Arial, sans-serif;
}

.background {
    background-color: rgb(241, 238, 238);
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-card {
    width: 400px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 15px;
    padding: 10px;
    text-align: center;
    user-drag: none;
}

.header {
    margin-bottom: 20px;
}

.countdown {
    margin-top: 20px;
    font-size: 24px;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}