body {
    margin-left: 20px;
    box-sizing: border-box;
}

.custom-label {
    font-weight: bold;
    display: block;
}

.custom-button {
    background-color: #4CAF50;
    color: white;
    padding: 5px 5px;
    width: 130px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}