body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #556A6F;
    background-image: url(./media/time-bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: white;
}

#container {
    text-align: center;
    background-color: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 15px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

#time-display {
    font-size: 2rem;
    font-weight: bold;
    margin: 15px 0;
    border: 2px solid white;
    padding: 10px;
    border-radius: 5px;
    background-color: black;
}

#controls input {
    width: 80px;
    padding: 10px;
    margin: 5px;
    font-size: 1rem;
    text-align: center;
    border: none;
    border-radius: 5px;
}

#controls button {
    font-size: 1rem;
    padding: 10px 20px;
    margin: 10px 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    color: white;
    background-color: orange;
    transition: background-color 0.3s;
}

#controls button:hover {
    background-color: darkorange;
}

#error-message {
    color: red;
    font-size: 0.9rem;
    margin-top: 10px;
    height: 1rem;
}

@media (max-width: 600px) {
    #controls input {
        width: 60px;
    }
}