#particle-background {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 800px;
}

canvas.particles-js-canvas-el {
    position: absolute;
    top: 0;
    left: 0;
}

.usa-key-visual {
    background-image: url("/wp-content/themes/basecom/bsc-project/assets/images/usa-key-visual-desktop.png");
}

/*tablet*/
@media screen and (max-width: 1199px) {
    .usa-key-visual {
        padding-top: 100px;
        justify-content: flex-start !important;
        background-image: url("/wp-content/themes/basecom/bsc-project/assets/images/usa-key-visual-tablet.jpg");
    }
}

/*mobile*/
@media screen and (max-width: 768px) {
    .usa-key-visual {
        background-image: url("/wp-content/themes/basecom/bsc-project/assets/images/usa-key-visual-mobile.jpg");
    }
}

/*small mobile*/
@media screen and (max-width: 375px) {
    #particle-background {
        height: 400px;
    }

    .usa-key-visual {
        padding-top: 25px;
    }
}