.main_div {
    max-width: 700px;    
}

.print-button {
    display: block;
    margin: auto;
    height: 40px;
    width: 200px;
    background-color: #5d93eb;
    color: #FFF;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
}

@media print {
    .print-button {
        display: none;
    }
}