nav
{
    position: absolute;
}

.middle{
    padding-top: 170px;
    text-align: center;
    margin-bottom: 100px;
    width: 80%;
    margin-left: 50%;
    transform: translateX(-50%);

}
.calendly h3 
{
    width: 80%;
    margin-left: 50%;
    transform: translateX(-50%);
    font-weight: 500;
}

@media only screen and (max-width: 900px) {

    .calendly h3 
    {
        margin-bottom: 50px;
    }

}