@media screen and (min-width:768px) {
    #navbar-main{
        height: 60px;
        border-radius: 0px;
    }

    #navbar-login{
        top: 0px;
        right: 0px;
        position: absolute;
        height: 60px;
        border-radius: 0px;
    }

    .mainbar-card{
        left: 3vw;
        top: 8vh;
        width: 15vw;
        height: 40vh;
        padding: 1vw;
        position: absolute;
        background-color: #ffffff;
        opacity: 0.9;
        overflow: hidden;
    }

    .mainbar-card-logo {
        width: 8vw;
        height: 8vw;
        max-width: 100%;
        max-height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .mainbar-card-title {
        font-size: large;
        text-align: center;
    }

    .mainbar-card-brief {
        font-size: medium;
    }

    .mainbar-card-button {

    }

    .partner-card{
        padding:0px 50px 30px 50px;
        line-height: 50px;
        max-height: 50px;
        max-width: 100%;
    }

    .footer-mp-qrcode{
        text-align: center;
        padding-top: 40px;
    }

    footer{
        position:absolute;
        bottom:0;
        width:100%;
    }

    .about-chenen-card {
        padding:30px;
    }
}

@media screen and (max-width:768px) {
    #navbar-login{
        display: none;
    }

    .mainbar-card{
        display: none;
    }

    .partner-card{
        padding: 5vw 15vw 5vw 15vw;
        max-width: 60vw;
    }

    .footer-mp-qrcode{
        text-align: center;
        padding-bottom: 40px;
    }

    footer{
        position:absolute;
        width:100%;
    }

    .about-chenen-card {
        padding:30px;
    }
}

body::after{ content:''; display:block; height:200px; }