diff --git a/app/frontend/styles/_button.scss b/app/frontend/styles/_button.scss
index 7dade9268..5975da0cb 100644
--- a/app/frontend/styles/_button.scss
+++ b/app/frontend/styles/_button.scss
@@ -28,4 +28,4 @@ $app-button-inverse-hover-background-colour: govuk-tint($app-button-inverse-fore
   color: $app-button-inverse-foreground-colour;
   background-color: $app-button-inverse-hover-background-colour;
   box-shadow: inset 0 0 0 2px $govuk-focus-colour;
-}
\ No newline at end of file
+}
diff --git a/app/frontend/styles/_document-list.scss b/app/frontend/styles/_document-list.scss
index 89c547ef6..c510e52b2 100644
--- a/app/frontend/styles/_document-list.scss
+++ b/app/frontend/styles/_document-list.scss
@@ -18,11 +18,6 @@
   margin: 0 0 govuk-spacing(1);
 }
 
-.app-document-list__item-metadata {
-  padding: 0;
-  margin: 0;
-}
-
 .app-document-list__item-description {
   @include govuk-font($size: 16);
   margin: govuk-spacing(1) 0;
@@ -32,35 +27,5 @@
   @include govuk-font($size: 16);
   color: $govuk-secondary-text-colour;
   margin: 0;
-}
-.app-document-list {
-  list-style: none;
   padding: 0;
 }
-
-.app-document-list__item {
-  margin-bottom: govuk-spacing(4);
-
-  &:last-child {
-    border-bottom: 0;
-    margin-bottom: 0;
-    padding-bottom: 0;
-  }
-}
-
-.app-document-list__item-title {
-  @include govuk-font($size: 16, $weight: "bold");
-  margin: 0 0 govuk-spacing(1);
-}
-
-.app-document-list__item-description {
-  @include govuk-font($size: 16);
-  margin: govuk-spacing(1) 0;
-}
-
-.app-document-list__item-metadata {
-  @include govuk-font($size: 16);
-  color: $govuk-secondary-text-colour;
-  padding: 0;
-  margin: 0;
-}
diff --git a/app/frontend/styles/_filter-layout.scss b/app/frontend/styles/_filter-layout.scss
index 5dffc0e67..0dbd1f028 100644
--- a/app/frontend/styles/_filter-layout.scss
+++ b/app/frontend/styles/_filter-layout.scss
@@ -34,9 +34,7 @@
 .app-filter-layout__content {
   @include govuk-media-query(desktop) {
     float: right;
-    max-width: calc(
-      #{govuk-grid-width("three-quarters")} - #{govuk-spacing(6)}
-    );
+    max-width: calc(#{govuk-grid-width("three-quarters")} - #{govuk-spacing(6)});
     width: 100%;
   }
 }
diff --git a/app/frontend/styles/_filter.scss b/app/frontend/styles/_filter.scss
index d98ed5099..2b4f17953 100644
--- a/app/frontend/styles/_filter.scss
+++ b/app/frontend/styles/_filter.scss
@@ -50,7 +50,7 @@
     border: 0;
   }
 
-  &::before {
+  &:before {
     background-image: url("../assets/images/icon-cross.svg");
     content: "";
     display: inline-block;
@@ -94,7 +94,7 @@
   .govuk-radios__label {
     @include govuk-font(16);
 
-    &::before {
+    &:before {
       background-color: govuk-colour("white");
     }
   }
diff --git a/app/frontend/styles/_pagination.scss b/app/frontend/styles/_pagination.scss
index e44bfae1d..8ac7bd546 100644
--- a/app/frontend/styles/_pagination.scss
+++ b/app/frontend/styles/_pagination.scss
@@ -1,4 +1,3 @@
-
 // https://github.com/alphagov/govuk-frontend/blob/add-pagination-prototype/src/govuk/components/pagination/_index.scss
 .app-pagination {
   border-top: 1px solid $govuk-border-colour;
@@ -117,7 +116,7 @@
 }
 
 .app-pagination__icon {
-  fill: currentColor;
+  fill: currentcolor;
 }
 
 .app-pagination__item--prev .app-pagination__link,
diff --git a/app/frontend/styles/_panel.scss b/app/frontend/styles/_panel.scss
index 2425e82e4..fa3fb778c 100644
--- a/app/frontend/styles/_panel.scss
+++ b/app/frontend/styles/_panel.scss
@@ -19,8 +19,8 @@
     margin-bottom: 0;
   }
 
-  .govuk-radios__label::before,
-  & ::after {
+  .govuk-radios__label:before,
+  & :after {
     color: govuk-colour("black");
     border-color: govuk-colour("black");
     background-color: govuk-colour("white");
diff --git a/app/frontend/styles/_primary-navigation.scss b/app/frontend/styles/_primary-navigation.scss
index bdadaa107..e6597ea2b 100644
--- a/app/frontend/styles/_primary-navigation.scss
+++ b/app/frontend/styles/_primary-navigation.scss
@@ -1,69 +1,69 @@
 .app-primary-navigation {
-    @include govuk-font(19, $weight: bold);
-    background-color: govuk-colour("light-grey");
-    border-bottom: 1px solid $govuk-border-colour;
+  @include govuk-font(19, $weight: bold);
+  background-color: govuk-colour("light-grey");
+  border-bottom: 1px solid $govuk-border-colour;
+}
+
+.govuk-phase-banner + .app-primary-navigation {
+  margin-top: -1px;
+}
+
+.app-primary-navigation__list {
+  @include govuk-clearfix;
+  left: govuk-spacing(-3);
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  position: relative;
+  right: govuk-spacing(-3);
+  width: calc(100% + #{govuk-spacing(6)});
+}
+
+.app-primary-navigation__item {
+  box-sizing: border-box;
+  display: block;
+  float: left;
+  line-height: 50px;
+  height: 50px;
+  padding: 0 govuk-spacing(3);
+  position: relative;
+}
+
+.app-primary-navigation__item--current {
+  border-bottom: $govuk-border-width-narrow solid $govuk-link-colour;
+
+  &:hover {
+    border-bottom-color: $govuk-link-hover-colour;
   }
-  
-  .govuk-phase-banner + .app-primary-navigation {
-    margin-top: -1px;
+
+  &:active {
+    border-bottom-color: $govuk-link-active-colour;
   }
-  
-  .app-primary-navigation__list {
-    @include govuk-clearfix;
-    left: govuk-spacing(-3);
-    list-style: none;
-    margin: 0;
-    padding: 0;
-    position: relative;
-    right: govuk-spacing(-3);
-    width: calc(100% + #{govuk-spacing(6)});
+}
+
+.app-primary-navigation__item--align-right {
+  @include govuk-media-query($from: tablet) {
+    float: right;
   }
-  
-  .app-primary-navigation__item {
-    box-sizing: border-box;
-    display: block;
-    float: left;
-    line-height: 50px;
-    height: 50px;
-    padding: 0 govuk-spacing(3);
-    position: relative;
+}
+
+.app-primary-navigation__link {
+  @include govuk-link-common;
+  @include govuk-link-style-no-visited-state;
+  @include govuk-link-style-no-underline;
+  @include govuk-typography-weight-bold;
+
+  // Extend the touch area of the link to the list
+  &:after {
+    bottom: 0;
+    content: "";
+    left: 0;
+    position: absolute;
+    right: 0;
+    top: 0;
   }
-  
-  .app-primary-navigation__item--current {
-    border-bottom: $govuk-border-width-narrow solid $govuk-link-colour;
-  
-    &:hover {
-      border-bottom-color: $govuk-link-hover-colour;
-    }
-  
-    &:active {
-      border-bottom-color: $govuk-link-active-colour;
-    }
-  }
-  
-  .app-primary-navigation__item--align-right {
-    @include govuk-media-query($from: tablet) {
-      float: right;
-    }
-  }
-  
-  .app-primary-navigation__link {
-    @include govuk-link-common;
-    @include govuk-link-style-no-visited-state;
-    @include govuk-link-style-no-underline;
-    @include govuk-typography-weight-bold;
-  
-    // Extend the touch area of the link to the list
-    &:after {
-      bottom: 0;
-      content: "";
-      left: 0;
-      position: absolute;
-      right: 0;
-      top: 0;
-    }
-  }
-  
-  .app-primary-navigation__item--current .app-primary-navigation__link:hover {
-    text-decoration: none;
-  }
\ No newline at end of file
+}
+
+.app-primary-navigation__item--current .app-primary-navigation__link:hover {
+  text-decoration: none;
+}
diff --git a/app/frontend/styles/application.scss b/app/frontend/styles/application.scss
index a756bbf60..9d1103d56 100644
--- a/app/frontend/styles/application.scss
+++ b/app/frontend/styles/application.scss
@@ -34,6 +34,7 @@ $govuk-new-link-styles: true;
 
 // App utilities
 .app-\!-colour-muted {
+  // stylelint-disable declaration-no-important
   color: $govuk-secondary-text-colour !important;
 }