form {
    border: 3px solid #f1f1f1;
    font-family: Arial;
}

.container {
    padding: 20px;
    background-color: #f1f1f1;
}

input[type=text], input[type=submit] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

input[type=checkbox] {
    margin-top: 16px;
}


label[type=text] {
    margin-top: 16px;
    text-align: left;
    padding: 12px 20px;
    margin: 8px 0;
}

input[type=submit] {
    background-color: #4CAF50;
    color: white;
    border: none;
}


button[type=button] {
    opacity: 0.8;
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
    background-color: #45a049;
}

input[type=submit]:hover {
    opacity: 0.8;
}