.fill-details-container {
    text-align: center;
    padding: 50px;
}

.fill-details-container h1 {
    font-size: 2.5em;
    margin-bottom: 30px;
}

.fill-details-container form {
    display: inline-block;
    text-align: left;
    max-width: 500px;
    width: 100%;
}

.fill-details-container label {
    font-size: 1.2em;
    margin-top: 10px;
}

.fill-details-container input, .fill-details-container textarea {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.fill-details-container textarea {
    height: 100px;
}

.fill-details-container input[type="submit"] {
    background-color: #428bca;
    color: white;
    border: none;
    padding: 15px;
    font-size: 1.2em;
    cursor: pointer;
    transition: background-color 0.3s;
}

.fill-details-container input[type="submit"]:hover {
    background-color: #3276b1;
}