index.css

.container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.title {
    font-size: 40px;
    color: #000000;
    opacity: 0.9;
}

@media screen and (device-type: tablet) and (orientation: landscape) {
    .title {
        font-size: 100px;
    }
}

@media screen and (device-type: wearable) {
    .title {
        font-size: 28px;
        color: #FFFFFF;
    }
}

@media screen and (device-type: tv) {
    .container {
        background-image: url("/common/images/Wallpaper.png");
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
    }

    .title {
        font-size: 100px;
        color: #FFFFFF;
    }
}

@media screen and (device-type: phone) and (orientation: landscape) {
    .title {
        font-size: 60px;
    }
}