diff --git a/.prettierignore b/.prettierignore
index 8b91594607..11599171cd 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,28 +1,28 @@
-modules
-app
-project
+/modules
+/app
+/project
 
-public/css
-public/piece-css
-public/compiled
-public/glyphs.json
-public/javascripts/vendor
-public/vendor
+/public/css
+/public/piece-css
+/public/compiled
+/public/glyphs.json
+/public/javascripts/vendor
+/public/vendor
 
-translation/dest
+/translation/dest
 
-dist/
-ui/common/**/*.js
-ui/common/**/*.d.ts
-ui/game/**/*.js
-ui/game/**/*.d.ts
-ui/nvui/**/*.js
-ui/nvui/**/*.d.ts
-ui/puz/**/*.js
-ui/puz/**/*.d.ts
+/dist/
+/ui/common/**/*.js
+/ui/common/**/*.d.ts
+/ui/game/**/*.js
+/ui/game/**/*.d.ts
+/ui/nvui/**/*.js
+/ui/nvui/**/*.d.ts
+/ui/puz/**/*.js
+/ui/puz/**/*.d.ts
 
 *.min.js
 
-.bloop/
-.bsp/
-.metals/
+/.bloop/
+/.bsp/
+/.metals/
diff --git a/ui/lobby/css/app/_app.scss b/ui/lobby/css/app/_app.scss
index 1de9cd4b91..27cf663213 100644
--- a/ui/lobby/css/app/_app.scss
+++ b/ui/lobby/css/app/_app.scss
@@ -1,6 +1,6 @@
-@import "pool";
-@import "hook-chart";
-@import "hook-list";
+@import 'pool';
+@import 'hook-chart';
+@import 'hook-list';
 
 .lobby__app {
   @extend %flex-column;
@@ -19,17 +19,17 @@
     flex: 1 1 100%;
     position: relative;
 
-    @if $theme == "transp" {
+    @if $theme == 'transp' {
       background: fade-out($c-bg-box, 0.2);
-    }
-    @else {
-      $logo-color: "dadada";
+    } @else {
+      $logo-color: 'dadada';
 
       @if $theme-dark {
-        $logo-color: "383633";
+        $logo-color: '383633';
       }
 
-      background: $c-bg-box url("data:image/svg+xml,%3Csvg viewBox='-2 -2 54 54' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='%23#{$logo-color}' stroke='%23#{$logo-color}' stroke-linejoin='round'%0Ad='M38.956.5c-3.53.418-6.452.902-9.286 2.984C5.534 1.786-.692 18.533.68 29.364 3.493 50.214 31.918 55.785 41.329 41.7c-7.444 7.696-19.276 8.752-28.323 3.084C3.959 39.116-.506 27.392 4.683 17.567 9.873 7.742 18.996 4.535 29.03 6.405c2.43-1.418 5.225-3.22 7.655-3.187l-1.694 4.86 12.752 21.37c-.439 5.654-5.459 6.112-5.459 6.112-.574-1.47-1.634-2.942-4.842-6.036-3.207-3.094-17.465-10.177-15.788-16.207-2.001 6.967 10.311 14.152 14.04 17.663 3.73 3.51 5.426 6.04 5.795 6.756 0 0 9.392-2.504 7.838-8.927L37.4 7.171z'/%3E%3C/svg%3E%0A");
+      background: $c-bg-box
+        url("data:image/svg+xml,%3Csvg viewBox='-2 -2 54 54' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='%23#{$logo-color}' stroke='%23#{$logo-color}' stroke-linejoin='round'%0Ad='M38.956.5c-3.53.418-6.452.902-9.286 2.984C5.534 1.786-.692 18.533.68 29.364 3.493 50.214 31.918 55.785 41.329 41.7c-7.444 7.696-19.276 8.752-28.323 3.084C3.959 39.116-.506 27.392 4.683 17.567 9.873 7.742 18.996 4.535 29.03 6.405c2.43-1.418 5.225-3.22 7.655-3.187l-1.694 4.86 12.752 21.37c-.439 5.654-5.459 6.112-5.459 6.112-.574-1.47-1.634-2.942-4.842-6.036-3.207-3.094-17.465-10.177-15.788-16.207-2.001 6.967 10.311 14.152 14.04 17.663 3.73 3.51 5.426 6.04 5.795 6.756 0 0 9.392-2.504 7.838-8.927L37.4 7.171z'/%3E%3C/svg%3E%0A");
     }
 
     background-size: 100% 100%;
@@ -49,7 +49,7 @@
 
   .toggle {
     position: absolute;
-    padding: .6em;
+    padding: 0.6em;
     cursor: pointer;
     z-index: 2;
     font-size: 1.3em;
diff --git a/ui/lobby/css/app/_hook-chart.scss b/ui/lobby/css/app/_hook-chart.scss
index 742fcd3c87..35d3704799 100644
--- a/ui/lobby/css/app/_hook-chart.scss
+++ b/ui/lobby/css/app/_hook-chart.scss
@@ -7,7 +7,7 @@
 
   .label {
     color: $c-font-dim;
-    font-size: .7em;
+    font-size: 0.7em;
     position: absolute;
     left: 3px;
     bottom: 1px;
@@ -42,7 +42,7 @@
     cursor: pointer;
     z-index: 3;
     font-size: 1.6em;
-    opacity: .7;
+    opacity: 0.7;
 
     @include transition;
 
@@ -77,7 +77,7 @@
   display: none;
   background: $c-bg-box;
   position: absolute;
-  z-index: z("powertip");
+  z-index: z('powertip');
 
   .inner {
     @extend %flex-column;
@@ -94,6 +94,6 @@
     @extend %metal;
 
     min-width: 120px;
-    padding: .5em .7em;
+    padding: 0.5em 0.7em;
   }
 }
diff --git a/ui/lobby/css/app/_hook-filter.scss b/ui/lobby/css/app/_hook-filter.scss
index 29e767cbc4..e679680262 100644
--- a/ui/lobby/css/app/_hook-filter.scss
+++ b/ui/lobby/css/app/_hook-filter.scss
@@ -23,7 +23,8 @@
   .checkable {
     @extend %nowrap-ellipsis;
 
-    label, input {
+    label,
+    input {
       vertical-align: middle;
       cursor: pointer;
     }
@@ -48,7 +49,7 @@
   }
 
   input {
-    margin-right: .3em;
+    margin-right: 0.3em;
   }
 
   .range {
@@ -59,7 +60,7 @@
     @extend %flex-center-nowrap;
     justify-content: center;
     input {
-      padding: .6em 0;
+      padding: 0.6em 0;
       margin: 0 1ch;
       @include breakpoint($mq-not-xx-small) {
         width: 26vw;
diff --git a/ui/lobby/css/app/_hook-list.scss b/ui/lobby/css/app/_hook-list.scss
index 9b0c5158c3..515ce42d04 100644
--- a/ui/lobby/css/app/_hook-list.scss
+++ b/ui/lobby/css/app/_hook-list.scss
@@ -52,7 +52,7 @@
     &.sort .is:before {
       opacity: 0.7;
       margin-right: 3px;
-      content: "";
+      content: '';
     }
 
     &.player {
@@ -73,7 +73,7 @@
   td {
     @extend %nowrap-hidden;
 
-    padding: .5em .7em;
+    padding: 0.5em 0.7em;
     border-bottom: $border;
     cursor: pointer;
     background: fade-out($c-bg-box, 0.5);
diff --git a/ui/lobby/css/app/_pool.scss b/ui/lobby/css/app/_pool.scss
index 23f921c87a..cb4b190b41 100644
--- a/ui/lobby/css/app/_pool.scss
+++ b/ui/lobby/css/app/_pool.scss
@@ -15,7 +15,7 @@
   grid-gap: 9px;
   padding: 9px;
 
-  @include fluid-size("font-size", 14px, 25px);
+  @include fluid-size('font-size', 14px, 25px);
 
   > div {
     @extend %flex-column, %box-radius, %break-word;
@@ -27,8 +27,7 @@
 
     @if $theme-light {
       background: fade-out($c-bg-box, 0.5);
-    }
-    @else {
+    } @else {
       background: fade-out($c-font, 0.95);
     }
 
@@ -58,7 +57,7 @@
 
   .spinner {
     flex: 0 0 auto;
-    margin: .1em 0 .6em 0;
+    margin: 0.1em 0 0.6em 0;
     width: 2em;
     height: 2em;
     pointer-events: none;
@@ -68,6 +67,6 @@
     display: block;
     font-size: 1.5em;
     line-height: 1.6em;
-    letter-spacing: .1em;
+    letter-spacing: 0.1em;
   }
 }