body {
}

.menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    background-color: #333;
    color: white;
    align-items: center;
    justify-content: space-around;
}

@media only screen and (max-width: sm) {
    .basecontent {
        width: 98%;
    }
}

@media only screen and (max-width: md) {
    .basecontent {
        width: 98%;
    }
}