diff --git a/assets/css/style _back.scss b/assets/css/style _back.scss
deleted file mode 100644
index 3432e1cc784873c4ac1577f93dca6d84cf836a3b..0000000000000000000000000000000000000000
--- a/assets/css/style _back.scss	
+++ /dev/null
@@ -1,110 +0,0 @@
-// Bootstrap variables customisation
-// Fonts & Typo
-$link-hover-decoration: none;
-$text-muted: var(--text-secondary-color);
-$enable-responsive-font-sizes: true;
-$font-family-base: Montserrat, Helvetica, Arial, serif;
-$small-font-size: 70%;
-
-// Body
-$body-bg: var(--background-color-primary);
-$body-color: var(--text-primary-color);
-
-// Tables;
-$table-border-color: var(--background-color-primary);
-$table-cell-padding: 0.5rem;
-$table-bg: var(--background-color-primary);
-$table-color: var(--text-primary-color);
-$table-head-bg: var(--background-color-secondary);
-$table-head-color: var(--text-primary-color);
-$table-hover-bg: rgba(0, 0, 255, 0.075);
-
-// Breadcrumb
-$breadcrumb-bg: var(--background-color-secondary);
-$breadcrumb-active-color: var(--text-primary-color);
-$breadcrumb-divider-color: var(--text-primary-color);
-
-// List-groups
-$list-group-bg: var(--background-color-secondary);
-$list-group-active-bg: rgba(0, 0, 255, 0.075);
-$list-group-active-color: var(--text-primary-color);
-$list-group-action-hover-color: var(--text-secondary-color);
-$list-group-action-color: var(--text-primary-color);
-
-// Cards
-$card-bg: var(--background-color-secondary);
-
-// Close button
-$close-color: var(--text-primary-color);
-$close-font-weight: 500;
-
-// Mark
-$mark-padding: 0.2em 0;
-$mark-bg: yellow;
-
-// Colors
-$info: #0a8299;
-
-@import "font";
-@import "bootstrap";
-
-.btn:disabled {
-	cursor: not-allowed;
-}
-
-.table {
-	&-fixed {
-		table-layout: fixed;
-	}
-
-	&.sortable thead {
-		tr {
-			border-left: 1px solid var(--text-primary-color);
-		}
-
-		th {
-			border-right: 1px solid;
-			border-top: 1px solid;
-			border-bottom: 1px solid;
-		}
-	}
-	tbody tr > * {
-		vertical-align: middle;
-	}
-
-	&-hover tbody tr {
-		cursor: pointer;
-	}
-
-	.td-date {
-		width: 165px;
-	}
-}
-
-.list-group-item {
-	&-action:not(.active) {
-		&:hover {
-			background: rgba(0, 0, 255, 0.075);
-			color: var(--text-primary-color);
-		}
-	}
-
-	.menu-item {
-		transition: left 0.3s ease-in-out;
-		left: 0;
-
-		&::before {
-			content: "›";
-			position: relative;
-			left: -0.5em;
-		}
-
-		&:hover {
-			left: 0.5em;
-		}
-	}
-}
-
-.icon {
-	width: 1.15rem;
-}