#project-sec h1{
    margin-top: 5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    margin-left: 0;
}
.prj-container{
    margin-top: 0;
}
/* mobile-version */

@media (max-width: 768px) {
    #project-sec h1{
        margin-top: 2.6rem;
    }
    body{
        margin-top: 4rem;
    }
}