queries.css

@media only screen and (min-width: 731px) {
    .display-mobile {
        display: none;
    }

    .mobile {
        display: none;
    }
}

@media only screen and (max-width: 730px) {

    .links {
        display: none;
    }

    .mobile {
        display: block;
    }

    

    .display-mobile {
        display: flex;
        justify-content: center;
        align-items: center;
    }

}

@media only screen and (max-width: 610px) {
    
    div#display-mob.display-mobile {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
    }

    div.link-b {
        margin: 0;
        padding: 0;
    }
    
}

@media only screen and (max-width: 351px) {

    div.swap-rate-container {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
    }

    button#swap.btn {
        margin: 0;
    }

    p#rate.rate {
        margin-top: 20px;
        font-size: 15px;
    }

    h1.h1-title {
        font-size: 15px;
    }

    img {
        height: 25px;
    }

}