order

                                        
#wrap{padding: 50px; box-sizing: border-box;
    .flexArea{display: flex;
        .flexItem{display: flex; width: 200px; height: 200px; max-width: 200px; font-size: 16px; font-family: 'Noto Sans'; 
        color: #fff; background-color: #000;
            +.flexItem{margin-left: 10px;}
        }
        &.fe-order .flexItem{
            &:first-of-type{order: 4;}
            &:nth-child(2){order: 3;}
            &:nth-child(3){order: 2;}
            &:last-of-type{order: 1;}
            +.flexItem{margin-left: 0; margin-right: 10px;}
        }
    }
}   
                                        
                                    

                                        
#wrap{
    position: relative;
    padding: 50px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

#wrap .flexArea {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

#wrap .flexArea .flexItem {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 200px;
    height: 200px;
    max-width: 200px;
    font-size: 16px;
    font-family: 'Noto Sans';
    color: #fff;
    background-color: #000;
}

#wrap .flexArea .flexItem + .flexItem {
    margin-left: 10px;
}

#wrap .flexArea.fe-order .flexItem:first-of-type {
-webkit-box-ordinal-group: 5;
    -ms-flex-order: 4;
        order: 4;
}

#wrap .flexArea.fe-order .flexItem:nth-child(2) {
    -webkit-box-ordinal-group: 4;
        -ms-flex-order: 3;
            order: 3;
}

#wrap .flexArea.fe-order .flexItem:nth-child(3) {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
}

#wrap .flexArea.fe-order .flexItem:last-of-type {
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
}

#wrap flexArea.fe-order .flexItem + .flexItem {
    margin-left: 0;
    margin-right: 10px;
}