#test {
    box-sizing: border-box;
}

#test {
    /* resetting some properties */
    line-height: 1;
    font-family: "Arial";
    color: blue;
    display: flex; /* flex FTW! */
}

@media (min-width: 1px) {
    #test {
        font-size: 200%;
    }

    #test {
    }
}