preview: hide email preview scrollbars

preview/index.html

@@ -379,7 +379,7 @@ function render() {
   const src = rendered;
   const raw = src[state.theme]?.[state.template];
   let content = raw ? transform(raw, state.client) : '<p style=\"color:red;padding:20px\">Not found: '+state.theme+'/'+state.template+'</p>';
-  content = content.replace('</head>', '<style>html{scrollbar-color:rgba(107,125,153,.25) transparent;scrollbar-width:thin;-ms-overflow-style:-ms-autohiding-scrollbar}html::-webkit-scrollbar{width:6px;height:6px}html::-webkit-scrollbar-track{background:transparent}html::-webkit-scrollbar-thumb{background-color:rgba(107,125,153,.25);border-radius:3px;border:1px solid rgba(255,255,255,.06)}html::-webkit-scrollbar-thumb:hover{background-color:rgba(107,125,153,.45)}html::-webkit-scrollbar-corner{background:transparent}</style></head>');
+  content = content.replace('</head>', '<style>html,body{scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none;width:0;height:0}</style></head>');
 
   let done = false;
   function finish() {