@media screen and (min-width: 851px) {
    .mobile-only {
        display: none !important;
    }
}

@media screen and (max-width: 850px) {
    .mo-mobile {
        display: none !important;
    }

    #main-wrap {
        display: grid;
        grid-template-rows: 1fr 56px;
        grid-template-columns: 1fr;
    }

    #loading-screen, #question-area {
        grid-column: 1;
        grid-row: 1;
    }

    #question-sidebar {
        grid-column: 1;
        grid-row: 2;

        justify-content: left;
    }

    #question-sidebar-wrap {
        display: flex;
        flex-direction: row;
        width: auto;

        padding: 0 8px;
    }
    
    .question-name {
        display: none !important;
    }

    .sidebar-button {
        height: 40px;
        justify-content: center;
        align-items: center;
        flex: auto; 
        white-space: nowrap;
    }

    .question-sidebar-button {
        grid-template-columns: 1fr 0;
        width: 40px !important;
    }    

    .checkpoint-sidebar-button {
        margin: 2px 4px;
        padding-right: 16px;
    }

    .main-page > .math-input {
        height: 180px;
    }
}