#tzcalc-wrapper {
    background-color: #000;
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    max-width: 500px;
    margin: auto;
    box-shadow: 0 0 15px rgba(27, 132, 21, 0.6);
    font-family: Arial, sans-serif;
}

#tzcalc-wrapper h2 {
    color: #1b8415;
    text-align: center;
    margin-bottom: 15px;
}

#tzcalc-wrapper label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    color: #1b8415;
}

#tzcalc-wrapper select,
#tzcalc-wrapper input {
    width: 100%;
    padding: 8px;
    border: 1px solid #1b8415;
    border-radius: 5px;
    background: #111;
    color: #fff;
}

#convertBtn {
    margin-top: 20px;
    width: 100%;
    background-color: #1b8415;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#convertBtn:hover {
    background-color: #146b10;
}

#result {
    margin-top: 20px;
    padding: 10px;
    background: #111;
    border: 1px solid #1b8415;
    border-radius: 5px;
}