@media screen and (max-width: 1279px) {
    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 1024px;
    }

    .banner {
        width: auto;
        background-image: linear-gradient(#1E88E5, #1E8885);
    }
}

@media screen and (max-width: 950px) {

    .banner-title {
        font-size: 40px;
    }

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 768px;
    }

    .post-picture {
        width: 0;
        height: 0;
    }
}

@media screen and (min-width: 760px) and (max-width: 780px){

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 768px;
    }

    .banner-title {
        font-size: 40px;
    }

    .post-picture {
        width: 0;
        height: 0;
    }
}
/* Galaxy Fold Toggle dual-screen mode (horizontal)*/
@media screen and (min-width: 715px) and (max-width: 720px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 600px;
    }

    .menu {
        display: none;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-content {
        font-size: 20px;
    }

    #bc-2{
        font-size: 20px;
    }
}

/*iPhone SE*/

@media screen and (min-width: 666px) and (max-width: 668px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 550px;
    }
}

@media screen and (max-width: 600px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 550px;
    }

    #download {
        height: 700px;
    }

    footer {
        height: 600px;
        padding-top: 100px;
    }

    .post-picture {
        width: 0;
        height: 0;
    }

    .contact-flex {
        padding-top: 10px;
        width: 75%;
        position: fixed;
        bottom: 0;
        left: 0;
        flex-wrap: wrap;
    }

    .contact-flex-row {
        display: flex;
        flex-direction: column;
        padding-bottom: 0;
    }

}

/*Surface Duo Single Screen*/

@media screen and (min-width: 535px) and (max-width: 545px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 500px;
    }

    .menu {
        display: none;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-content {
        font-size: 20px;
    }

    #bc-2{
        font-size: 20px;
    }
}

/*Galaxy Fold Toggle dual-screen mode (portrait)*/

@media screen and (min-width: 505px) and (max-width: 525px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 500px;
    }

    .menu {
        display: none;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-content {
        font-size: 20px;
    }

    #bc-2{
        font-size: 20px;
    }
}

@media screen and (max-width: 450px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 380px;
    }

    .menu {
        display: none;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-content {
        font-size: 16px;
    }

    #bc-2{
        font-size: 16px;
    }
}

@media screen and (max-width: 400px) {

    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 350px;
    }

    .menu {
        display: none;
    }

    .banner-title {
        font-size: 24px;
    }

    .banner-content {
        font-size: 16px;
    }

    #bc-2{
        font-size: 16px;
    }
}

@media screen and (max-width: 300px) {
    .contact-flex, .top-bar-flex, .banner-flex, .post-1-flex, .post-2-flex, .download-flex {
        width: 260px;
    }

    .top-bar {
        width: 100%;
    }

    .logo-block {
        width: 260px;
    }

    .menu {
        display: none;
    }

    svg, .logo {
        display: none;
        width: 0;
        height: 0;
    }

    .banner-title {
        font-size: 18px;
    }

    .banner-content {
        font-size: 12px;
    }

    #bc-2{
        font-size: 12px;
    }
}