diff --git a/web/calendar/entry.react.js b/web/calendar/entry.react.js
--- a/web/calendar/entry.react.js
+++ b/web/calendar/entry.react.js
@@ -216,7 +216,7 @@
         onMouseDown={this.onMouseDown}
       >
         <textarea
-          rows="1"
+          rows={1}
           className={css.entryText}
           onChange={this.onChange}
           onKeyDown={this.onKeyDown}
diff --git a/web/calendar/filter-panel.react.js b/web/calendar/filter-panel.react.js
--- a/web/calendar/filter-panel.react.js
+++ b/web/calendar/filter-panel.react.js
@@ -143,7 +143,7 @@
               placeholder="Search"
               value={this.state.query}
               onChange={this.onChangeQuery}
-              size="10"
+              size={10}
             />
             {clearQueryButton}
           </div>
diff --git a/web/chat/chat-input-bar.react.js b/web/chat/chat-input-bar.react.js
--- a/web/chat/chat-input-bar.react.js
+++ b/web/chat/chat-input-bar.react.js
@@ -330,7 +330,7 @@
           </a>
           <div className={css.inputBarTextInput}>
             <textarea
-              rows="1"
+              rows={1}
               placeholder="Type your message"
               value={this.props.inputState.draft}
               onChange={this.onChangeMessageText}
diff --git a/web/chat/chat-input-text-area.react.js b/web/chat/chat-input-text-area.react.js
--- a/web/chat/chat-input-text-area.react.js
+++ b/web/chat/chat-input-text-area.react.js
@@ -99,7 +99,7 @@
     return (
       <div className={css.inputBarTextInput}>
         <textarea
-          rows="1"
+          rows={1}
           placeholder="Type your message"
           value={currentText}
           onChange={onChangeMessageText}