body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Lockscreen specific styles */
#lockscreen {
    background: url('main/wallpaper.jpg') no-repeat center center fixed;
    background-size: cover;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    color: white;
    text-shadow: 0 0 10px rgba(0,0,0,0.8);
}
#lockscreen-time {
    font-size: 6rem;
    font-weight: 300;
    margin-top: 20vh;
}
#login-button {
    font-size: 1.5rem;
    padding: 10px 30px;
    margin-bottom: 15vh;
    background-color: rgba(0,0,0,0.5);
    color: white;
    border: 1px solid white;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}
#login-button:hover {
    background-color: rgba(255,255,255,0.2);
}