Change preview font
To be the same as the editor's default:
MODIFY
styles/find-and-replace.less
styles/find-and-replace.less
@import "ui-variables";
@import "syntax-variables";
+@find-and-replace-font: Menlo, Consolas, 'DejaVu Sans Mono', monospace;
+
// result markers
atom-text-editor {
.find-result .region {
@@ -280,6 +282,7 @@ atom-workspace.find-visible {
margin-right: 1ex;
text-align: right;
display: inline-block;
+ font-family: @find-and-replace-font;
}
.selected .line-number {
color: @text-color-selected;
@@ -296,7 +299,7 @@ atom-workspace.find-visible {
.preview {
word-break: break-all;
- font-family: monospace;
+ font-family: @find-and-replace-font;
white-space: pre;
}

Change preview font

To be the same as the editor's default:
https://github.com/atom/atom/blob/cfbcb43744dd6f9fe701d4e23c2a8ec995a6e434/static/text-editor.less#L7