old style file has removed

src/styles.css

@@ -1,104 +0,0 @@
-.GanttBar {
-  user-select: none;
-  stroke-width: 0;
-}
-
-.GanttBar-wrapper {
-  cursor: pointer;
-  outline: none;
-}
-
-.GanttBar-handle {
-  fill: #ddd;
-  cursor: ew-resize;
-  opacity: 0;
-  visibility: hidden;
-  transition: opacity 0.3s ease;
-}
-
-.GanttBar-wrapper:hover .GanttBar-handle {
-  visibility: visible;
-  opacity: 1;
-}
-
-.GanttBar-label {
-  fill: #fff;
-  text-anchor: middle;
-  font-weight: lighter;
-  dominant-baseline: central;
-  -webkit-touch-callout: none;
-  -webkit-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
-  pointer-events: none;
-}
-
-.GanttBar-label-outside {
-  fill: #555;
-  text-anchor: start;
-}
-
-.GanttCalendar-bottomText {
-  text-anchor: middle;
-  fill: #333;
-  -webkit-touch-callout: none;
-  -webkit-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
-  pointer-events: none;
-}
-
-.GanttCalendar-topTick {
-  stroke: #e6e4e4;
-}
-
-.GanttCalendar-topText {
-  text-anchor: middle;
-  fill: #555;
-  -webkit-touch-callout: none;
-  -webkit-user-select: none;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  user-select: none;
-  pointer-events: none;
-}
-
-.GanttGrid-row {
-  fill: #fff;
-}
-
-.GanttGrid-row:nth-child(even) {
-  fill: #f5f5f5;
-}
-
-.GanttGrid-header {
-  fill: #fff;
-  stroke: #e0e0e0;
-  stroke-width: 1.4;
-}
-
-.GanttGrid-rowLine {
-  stroke: #ebeff2;
-}
-
-.GanttGrid-tick {
-  stroke: #e6e4e4;
-}
-
-.TooltipDefaultContainer {
-  background: #fff;
-  padding: 12px;
-  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
-}
-
-.TooltipDefaultContainer-paragraph {
-  font-size: 12px;
-  margin-bottom: 6px;
-  color: #666;
-}
-
-.TooltipDetailsContainer {
-  display: table;
-}