.login {
    display: none;
}
.menubar {
    display: none;
}
.topics {
    height: auto;
    width: auto;
    background: none;
}
.topic-tree {
    display: none;
    height: auto;
    width: auto;
}
.image {
    height: auto;
    width: auto;
}
.show-image {
    height: auto;
    width: auto;
}

@media (orientation: portrait) {
    .show-image {
        max-width: 7.5in;
        max-height: 10in;
    }
}

@media (orientation: landscape) {
    .show-image {
        max-width: 10in;
        max-height: 7.5in;
    }
}