@media only screen and (max-width: 400px) {

    /*#Header, #Content, #Footer {
        left: 300px;    
        width: calc(100% - 300px);
    }*/

    #LeftMenu {
        
    }

    #SearchHeader {
        height: 40px;
        width: 50%;
        padding: 0 0 0 10px;
    }
    
    #Content {
        padding: 0;
    }

        #DashboardTabs {
            width: 100%;
            margin: 0 0 20px 0;
        }

            .DashboardTab {
                display: inline-block;
                vertical-align: top;
                margin: 0 10px 0 0;
            }

        #DashboardBlocks {
            width: 100%;
            margin: 0;
        }
}