body {
    font-family: Arial, sans-serif;
    background-color: #909d4fc6;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 600px;
    margin: 50px auto;
    padding: 20px;
    background-color: #71893d7a;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 50px;
}
h1 {
    text-align: center;
    color: #333;
}
p {
    text-align: center;
    color: #666;
}
.city {
    margin-top: 30px;
    text-align: center;
}
.timezone-form {
    margin-top: 20px;
    text-align: center;
}
.date-time-display {
    margin-top: 20px;
    text-align: center;
}

.city .clock {
    margin-bottom: 20px;
}
.city h2 {
    margin-bottom: 10px;
    color: #444;
}
.city .time {
    font-size: 48px;
    color: #222;
}
.city .date {
    font-size: 24px;
    color: #555;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #222;
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
}
select {
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    font-size: 16px;
}
#time-display {
    margin-top: 20px;
    font-size: 24px;
    text-align: center;
    color: #555;
}
#date-display {
    margin-top: 10px;
    font-size: 18px;
    text-align: center;
    color: #777;
}
button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    font-size: 16px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}
button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}
button:disabled:hover {
    background-color: #ccc;
}
button:enabled {
    background-color: #28a745;
}
button:enabled:hover {
    background-color: #218838;
}
button:enabled:active {
    background-color: #1e7e34;
}
button:disabled:active {
    background-color: #ccc;
}
button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
}
button:disabled:focus {
    outline: none;
    box-shadow: none;
}
button:enabled:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(40, 167, 69, 0.5);
}
button:enabled:active:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(30, 126, 52, 0.5);
}
button:disabled:active:focus {
    outline: none;
    box-shadow: none;
}
button:enabled:hover:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(33, 136, 56, 0.5);
}
button:disabled:hover:focus {
    outline: none;
    box-shadow: none;
}
footer {
    text-align: center;
    padding: 10px;
    background-color: #222;
    color: #fff;
    position: fixed;
    width: 100%;
    bottom: 0;
}
footer a {
    color: #fff;
    text-decoration: none;
}
footer a:hover {
    text-decoration: underline;
}
footer a:visited {
    color: #ccc;
}
footer a:active {
    color: #999;
}
footer a:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}
footer a:hover:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}
footer a:visited:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(204, 204, 204, 0.5);
}
footer a:active:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(153, 153, 153, 0.5);
}
footer a:hover:active {
    color: #999;
}
footer a:visited:active {
    color: #999;
}
footer a:hover:visited {
    color: #ccc;
}
footer a:visited:hover {
    color: #ccc;
}
footer a:focus:visited {
    outline: none;
    box-shadow: 0 0 5px rgba(204, 204, 204, 0.5);
}
footer a:focus:hover {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}
footer a:focus:active {
    outline: none;
    box-shadow: 0 0 5px rgba(153, 153, 153, 0.5);
}
footer a:visited:focus:hover {
    outline: none;
    box-shadow: 0 0 5px rgba(204, 204, 204, 0.5);
}
footer a:visited:focus:active {
    outline: none;
    box-shadow: 0 0 5px rgba(153, 153, 153, 0.5);
}
footer a:hover:focus:active {
    outline: none;
    box-shadow: 0 0 5px rgba(153, 153, 153, 0.5);
}
footer a:visited:hover:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(204, 204, 204, 0.5);
}