Highlight folders background

I saw many similar implementations in videos and tried to recreate it

/* Theme */

.theme-light {
    --color-folder: #996dea;
    --color-folder-text: #ece8e4;
    --color-left-border: #6644a43c;
    --color-hover-file: #dfdde34c;
}

.theme-dark {
    --color-folder: #62419f;
    --color-folder-text: #cccac8;
    --color-left-border: #32215246;
    --color-hover-file: #ffffff13;
}

/* Icon & Text color for all folders */
.nav-folder .is-collapsed .collapse-icon svg.svg-icon,
.nav-folder .collapse-icon svg.svg-icon,
.nav-folder .nav-folder-title,
.nav-folder .nav-file-title {
    color: var(--color-folder-text) !important;
}

/* Left borders for subfolders */

.nav-folder .nav-folder-children {
    border-left: 2px solid var(--color-left-border) !important;
}

/* Rounding for all folders */

.nav-folder {
    border-radius: 6px !important;
}

/* Hover color */

.nav-file-title:hover,
.nav-file-title.is-active,
.nav-folder-title:hover,
.nav-folder-title.is-active {
    background-color: var(--color-hover-file) !important;
}

/* Color for all folders */

.nav-folder {
    background-color: var(--color-folder) !important;
}

Icons are displayed dynamically now, thanks to
Icons For Different File Types - CSS Snippet
Add Emojis to folder titles in explorer without renaming folders
Short version of my code for icons

/* ============== Folders ============== */

/* Remove arrow icon 

body:not(.nav-folder-indicators) .nav-folder-collapse-indicator {
    display: none;
}
    
*/

/* Folder opened icon */

.nav-folder:not(.mod-root):not(.is-collapsed) .nav-folder-title-content::before {
  content: '📂  ';
}

/* Folder collapsed icon */

.nav-folder:not(.mod-root).is-collapsed .nav-folder-title-content::before {
  content: '📁  ';
}

/* Icons for top level folders */

.nav-folder-title[data-path="+"] .nav-folder-title-content::before {
  content: '📥  ' !important;
  font-size: 1.3em;
}

.nav-folder-title[data-path="Journal"] .nav-folder-title-content::before {
  content: '🗓️  ' !important;
  font-size: 1.3em;
}

/* ============== Files ============== */

/* Default icon for all files */

.nav-folder-children .nav-file-title-content:first-child::before {
  content: '🗒  ';
}

/* Icons for files in folders */

.nav-file-title[data-path^="Journal"] .nav-file-title-content:before {
  content: '📅  ' !important;
}

.nav-file-title[data-path^="Storage/Book"] .nav-file-title-content:before {
  content: '📖  ' !important;
}

/* Rewrite icon for attachments */

.nav-file-title[data-path*="/_attachments"] .nav-file-title-content:before {
  content: '💾  ' !important;
}

/* Rewrite icon for starred by ! file */

.nav-file-title[data-path*="/!"] .nav-file-title-content:before {
  content: '⭐  ' !important;
}