diff --git a/web/modals/search-modal.css b/web/modals/search-modal.css
--- a/web/modals/search-modal.css
+++ b/web/modals/search-modal.css
@@ -2,5 +2,4 @@
   display: flex;
   flex-direction: column;
   overflow: hidden;
-  margin: 16px;
 }
diff --git a/web/modals/threads/subchannels/subchannels-modal.css b/web/modals/threads/subchannels/subchannels-modal.css
--- a/web/modals/threads/subchannels/subchannels-modal.css
+++ b/web/modals/threads/subchannels/subchannels-modal.css
@@ -3,8 +3,7 @@
   flex-direction: column;
   overflow: auto;
   row-gap: 8px;
-  width: 383px;
-  height: 458px;
+  height: 80vh;
 }
 
 div.noSubchannels {
@@ -16,8 +15,8 @@
   font-size: var(--m-font-18);
   line-height: var(--line-height-text);
   color: var(--subchannels-modal-color);
-  padding: 8px 16px;
   column-gap: 8px;
+  padding-top: 16px;
 }
 
 .subchannelContainer:hover {
diff --git a/web/modals/threads/subchannels/subchannels-modal.react.js b/web/modals/threads/subchannels/subchannels-modal.react.js
--- a/web/modals/threads/subchannels/subchannels-modal.react.js
+++ b/web/modals/threads/subchannels/subchannels-modal.react.js
@@ -58,7 +58,7 @@
       name="Subchannels"
       searchPlaceholder="Search"
       onClose={onClose}
-      size="fit-content"
+      size="large"
     >
       {subchannelsContent}
     </SearchModal>