/* Styles go here */

.my-drop-zone { border: dotted 3px lightgray; }
            .ng-file-over { border: dotted 3px red; } /* Default class applied to drop zones on over */
            .another-file-over-class { border: dotted 3px green; }

            html, body { height: 100%; }

            canvas {
                background-color: #f3f3f3;
                -webkit-box-shadow: 3px 3px 3px 0 #e3e3e3;
                -moz-box-shadow: 3px 3px 3px 0 #e3e3e3;
                box-shadow: 3px 3px 3px 0 #e3e3e3;
                border: 1px solid #c3c3c3;
                height: 100px;
                margin: 6px 0 0 6px;
            }

            .btn{
                margin:5px;
            }