.demo-section {
    position: relative;
    padding: 10rem 5rem;
    color: #fff;
    background: linear-gradient(rgb(0,0,0), rgb(176, 176, 233), rgb(10,12,18));
    text-align: center;
    z-index: 0;
    overflow: hidden;
}

.demo-hdg {
    padding: 0 150px;
}

.demo-section h2 {
    font-size: 20px;
    margin-bottom: 1rem;
}

.demo-section p {
    font-size: 16px;
    padding-bottom: 100px;
    margin-bottom: 2rem;
}

.site-footer {
    padding: 100px 0;
}

@media (max-width: 700px) {
    .demo-hdg {
        padding: 0 50px;
    }

    .demo-section {
        padding: 5rem 2rem;
    }
    
    .demo-section h2 {
        font-size: 16px;
    }
    
    .demo-section p {
        font-size: 12px;
    }

    .demo-vid {
        padding-top: 50px;
        padding-bottom: 75px;
    }
}

@media (max-width: 400px) {
    .demo-hdg {
        padding: 0 30px;
    }
    .demo-section {
        padding: 5rem 2rem;
    }
    
    .demo-section h2 {
        font-size: 16px;
    }
    
    .demo-section p {
        font-size: 12px;
        padding-bottom: 10px;
    }

    .demo-vid {
        padding-top: 50px;
        padding-bottom: 100px;
    }
}

@media (max-width: 300px) {
    .demo-section {
        padding: 5rem 1.5rem;
    }
    
    .demo-section h2 {
        font-size: 16px;
    }
    
    .demo-section p {
        font-size: 12px;
    }
}