@media only screen
and (max-width : 990px) {
    #toggleView {
        left: 0;
        width: 80%;
        margin: 0 10%;
        max-height: 350px;
    }

    .emoji {
        max-width: 33%;
        padding: 0;
    }

    #string, #searchEmojis {
        font-size: 25px;
    }

    #string {
        height: 200px;
    }

    #hello {
        max-width: 80%;
        margin: 0 10%;
        left:0 ;
    }
}