removed the overriding settings in css (#44)

public/app.scss

@@ -158,110 +158,3 @@
 .successful-message{
   color: #006BB4;
 }
-
-/*********  EuiTable overrides ***********/
-.euiTableCellContent {
-  display: inline-block;
-  width: 100%;
-}
-
-.euiTableRow.euiTableRow-isExpandedRow .euiTableRowCell {
-  background-color: unset;
-}
-
-.sideNav-table .euiTableRowCell {
-  border-top: 0;
-}
-
-.euiTableRow:hover{
-  background-color: unset;
-}
-
-/********* EuiSideNav overrides *********/
-
-/* Add the vertical line to connect the side Nav to the parent row */
-.sideNavItem__items {
-  position: relative;
-  &:after { /* 1 */
-    position: absolute;
-    content: '';
-    top: -10px;
-    bottom: 32px;
-    width: 1px;
-    background: rgb(217, 217, 217);
-    left: 0;
-  }
-}
-
-/* Add the vertical line to connect the side nav item to its parent item */
-.euiSideNavItem__items:after {
-  bottom: 50%;
-}
-
-/* Add the tick line to each item */
-.euiSideNavItem {
-  /**
-   * 1. Absolutely position the horizontal tick connecting the item to the vertical line.
-   */
-   > .euiSideNavItemButton {
-    position: relative; /* 1 */
-    padding-left: 13px;
-    padding-right: 8px; /* 1 */
-
-    &:after {
-      position: absolute;
-      content: "";
-      top: 50%;
-      left: 0;
-      width: 10px;
-      height: 2px;
-      background: rgb(217, 217, 217);
-    }
-  }
-
-/* Remove the horizontal tick from the root of the sideNav */
-  &.euiSideNavItem--root > .euiSideNavItemButton {
-    &:after {
-      background: none;
-    }
-  }
-
-  & > .sideNavItem__items {
-    margin-left: 16px;
-  }
-}
-
-/* To remove caret icon from sideNavItems */
-.euiIcon--small {
-  width: 0px;
-  height: 0px;
-}
-
-/* To remove bold and underline inside nested tables */
-.euiSideNavItemButton.euiSideNavItemButton-isSelected .euiSideNavItemButton__label .euiTableRowCell {
-  font-weight: normal;
-  text-decoration: none;
-}
-
-.euiSideNavItemButton__content {
-  float: left;
-}
-
-/* To Fix Word-wrap not working for table cells inside SideNav component */
-.euiSideNavItemButton__label {
-  white-space: normal;
-}
-
-/* To center vertical line from sideNav item to its children*/
-.euiSideNavItem--trunk > .euiSideNavItem__items {
-  margin-left: 15px;
-}
-
-/*
-.euiSideNavItem .euiSideNavItem--trunk .euiSideNavItem--hasChildItems:after {
-  bottom:100%;
-}*/
-
-.euiSideNavItem--branch > .euiSideNavItemButton {
-  padding-left: 10px;
-}