Minor fixes (hestiacp#3474)

* Fix button width regression

* Fix typos in custom scripts README

Author: AlecRust

web/css/src/themes/default.css

@@ -1844,7 +1844,7 @@
 
 .button {
 	cursor: pointer;
-	display: flex;
+	display: inline-flex;
 	align-items: center;
 	justify-content: center;
 	line-height: 21px;

web/css/themes/default.min.css

@@ -2,8 +2,8 @@
 
 subfolders will be ignored (recursive file loading is not supported. you're free to create sub-folders, but they will not be invoked automatically.)
 
-These custom files will perist across HestiaCP upgrades.
+These custom files will persist across HestiaCP upgrades.
 
-This directory is not meant for HestiaCP development, but meant for people wantng to customize their own HestiaCP control panel.
+This directory is not meant for HestiaCP development, but meant for people wanting to customize their own HestiaCP control panel.
 
 Warning: modifications to this README.txt may be lost during HestiaCP upgrades.