body {
    position: relative;
}

.min-vh-100 {
    min-height: 100vh;
}

h3 {
    font-size: 18px;
}

.pt-2 {
    padding-top: 30px;
}

#apk-icon {
    max-width: 280px;
}

#app {
    position: absolute;
    bottom: 90px;
    padding: 15px;
    max-width: 500px;
    min-width: 290px;
    left: 50%;
    transform: translateX(-50%);
}

@media (max-width:480px) {
    #apk-icon {
        max-width: 60%;
    }
}

#browser_desktop {
    text-align: center;
}

.top-offset {
    padding-top: 10vh;
}

.text-center {
    text-align: center;
}

.disp {
    float: left;
}

.description {
    color: #121212;
    position: relative;
    top: 25vh;
    float: right;
}

.description h2 {
    font-weight: bold;
    font-size: 3em;
}

#divInstr {
    font-size: 1.5em;
}

@media (max-width:480px) {
    #apk-icon {
        max-width: 60%;
    }
}

@media (max-width:991px) {
    body {
        overflow-y: hidden;
    }

    .disp,
    .description {
        float: none;
    }

    .description {
        top: 0vh;
        text-align: center;
    }

    .description h2 {
        font-size: 1.5em;
    }

    #app {
        position: static;
        transform: translateX(0px);
        top: -5vh;
    }

    .img-responsive {
        display: inline;
        height: 66vh;
        width: auto;
    }

    .top-offset {
        padding-top: 0px;
    }

    #divInstr {
        font-size: 1.2em;
    }
}