Fix buttons size

res/css/views/rooms/wysiwyg_composer/_FormattingButtons.pcss

@@ -19,14 +19,14 @@ limitations under the License.
     justify-content: start;
 
     .mx_FormattingButtons_Button {
-        --size: 26px;
+        --size: 28px;
         position: relative;
         cursor: pointer;
         height: var(--size);
         line-height: var(--size);
         width: auto;
         padding-left: var(--size);
-        margin-right: 6px;
+        margin-right: 2px;
         background-color: transparent;
         border: none;
 
@@ -37,8 +37,8 @@ limitations under the License.
         &::before {
             content: '';
             position: absolute;
-            top: 7px;
-            left: 7px;
+            top: 8px;
+            left: 8px;
             height: 12px;
             width: 12px;
             background-color: $icon-button-color;