sidepanel.css

.editor-sidepanel {
    /* resize: horizontal; */
    max-height: 80vh;
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 300px;
    height: inherit;
    margin: 0.3rem 0.3rem 0.3rem auto;
    padding: 0.25rem;

    background-color: white;
    border: 1px lightgrey solid;
    border-radius: 5px;

    position: fixed;
    right: 0;
}

.editor-sidepanel > * {
    margin: 0.25rem;
}

.editor-sidepanel-topbar {
    display: flex;
    flex-direction: row;
}