body{
    background:#e7e7e7;
}

.mt-50px{
    margin-top: 50px !important;
}

.mt-100px{
    margin-top: 100px !important;
}

.mb-20px{
    margin-bottom: 20px !important;
}

.code{
    background: #031942;
    color: #e7e7e7;
    padding: 5px;
}