diff --git a/src/features/compose/editor/index.tsx b/src/features/compose/editor/index.tsx
index 944672ca9..1ba2505b0 100644
--- a/src/features/compose/editor/index.tsx
+++ b/src/features/compose/editor/index.tsx
@@ -59,7 +59,7 @@ const theme: InitialConfigType['theme'] = {
     italic: 'italic',
     strikethrough: 'line-through',
     underline: 'underline',
-    underlineStrikethrough: 'underline-line-through',
+    underlineStrikethrough: 'underline line-through',
   },
   heading: {
     h1: 'text-2xl font-bold',
diff --git a/src/styles/application.scss b/src/styles/application.scss
index 8ae678bdf..914343d38 100644
--- a/src/styles/application.scss
+++ b/src/styles/application.scss
@@ -1,3 +1,2 @@
-@use 'ui';
 @use 'emoji-picker';
 @use 'accessibility';
\ No newline at end of file
diff --git a/src/styles/tailwind.css b/src/styles/tailwind.css
index 0741d55d6..94c191b71 100644
--- a/src/styles/tailwind.css
+++ b/src/styles/tailwind.css
@@ -111,9 +111,10 @@
     a {
       @apply text-primary-600 dark:text-primary-400 no-underline hover:underline;
     }
-
   }
 
+  .ellipsis::after { content: '…'; }
+
   .mention {
     @apply text-primary-600 dark:text-accent-blue hover:underline;
   }
@@ -214,10 +215,52 @@
     );
   }
 
+  .setting-text {
+    @apply block w-full mb-2.5 border-0 border-b-2 border-solid box-border text-gray-400 bg-transparent;
+    font-family: inherit;
+    padding: 7px 0;
+  
+    @media screen and (width <= 600px) {
+      font-size: 16px;
+    }
+  }
+
+  ::-webkit-scrollbar-thumb {
+    border-radius: 0;
+  }
 }
 
 @layer components {
   .loading-indicator span {
     @apply animate-loader-label;
   }
+
+  .ui {
+    display: block;
+    width: 100%;
+    padding: 0 0 calc(60px + env(safe-area-inset-bottom) + 86px);
+  
+    .page {
+      display: flex;
+      flex-direction: column;
+      width: 100%;
+    }
+  }
+
+  .react-swipeable-view-container {
+    & {
+      height: 100%;
+    }
+  }
+  
+  .react-swipeable-view-container > * {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    height: 100%;
+  }
+
+  .react-datepicker-popper {
+    z-index: 9999 !important;
+  }
 }
\ No newline at end of file
diff --git a/src/styles/ui.scss b/src/styles/ui.scss
deleted file mode 100644
index 3683497c1..000000000
--- a/src/styles/ui.scss
+++ /dev/null
@@ -1,126 +0,0 @@
-.icon-button {
-  @apply text-black dark:text-white;
-  display: inline-flex;
-  align-items: center;
-  padding: 0;
-  border: 0;
-  background: transparent;
-  cursor: pointer;
-  transition: 100ms ease-in;
-  opacity: 0.4;
-
-  &__text {
-    padding-left: 2px;
-  }
-
-  &:hover,
-  &:active,
-  &:focus {
-    opacity: 0.6;
-    transition: color 200ms ease-out;
-  }
-
-  &.disabled {
-    opacity: 0.2;
-    cursor: default;
-  }
-
-  &::-moz-focus-inner {
-    border: 0;
-  }
-
-  &::-moz-focus-inner,
-  &:focus,
-  &:active {
-    outline: 0 !important;
-  }
-}
-
-.react-datepicker-popper {
-  z-index: 9999 !important;
-}
-
-.ellipsis::after { content: '…'; }
-
-.image-loader {
-  position: relative;
-  width: 100%;
-  height: 100%;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  flex-direction: column;
-
-  .image-loader__preview-canvas {
-    @apply max-w-full max-h-[80%];
-    background: url('../assets/images/void.png') repeat;
-    object-fit: contain;
-  }
-
-  &.image-loader--amorphous .image-loader__preview-canvas {
-    display: none;
-  }
-}
-
-.zoomable-image {
-  @apply relative w-full h-full flex items-center justify-center;
-
-  img {
-    @apply w-auto h-auto max-w-full max-h-[80%] object-contain shadow-2xl;
-  }
-}
-
-.react-swipeable-view-container {
-  & {
-    height: 100%;
-  }
-}
-
-.react-swipeable-view-container > * {
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  height: 100%;
-}
-
-.ui {
-  display: block;
-  width: 100%;
-  padding: 0 0 calc(60px + env(safe-area-inset-bottom) + 86px);
-
-  .page {
-    display: flex;
-    flex-direction: column;
-    width: 100%;
-  }
-}
-
-.slist__append {
-  flex: 1 1 auto;
-  position: relative;
-  padding: 30px 15px;
-}
-
-.setting-text {
-  @apply block w-full mb-2.5 border-0 border-b-2 border-solid box-border text-gray-400 bg-transparent;
-  font-family: inherit;
-  padding: 7px 0;
-
-  @media screen and (width <= 600px) {
-    font-size: 16px;
-  }
-}
-
-::-webkit-scrollbar-thumb {
-  border-radius: 0;
-}
-
-@keyframes flicker {
-  0% { opacity: 1; }
-  30% { opacity: 0.75; }
-  100% { opacity: 1; }
-}
-
-.underline-line-through {
-  text-decoration: underline line-through;
-}