diff --git a/copyparty/web/browser.css b/copyparty/web/browser.css
index 679b21ef..3e3d2b96 100644
--- a/copyparty/web/browser.css
+++ b/copyparty/web/browser.css
@@ -965,7 +965,7 @@ tr.play td:nth-child(1) a {
 #ggrid>a img {
 	z-index: 1;
 	border-radius: 5px;
-	border-radius: calc(var(--radius) / 3 * 2);
+	border-radius: var(--radius);
 	max-width: 10em;
 	max-width: calc(var(--grid-sz) - 4px);
 	margin: 0 auto;
@@ -1259,7 +1259,7 @@ html:not(.e) #ggrid>a.thumbed.dir:before {
 	line-height: 1.2em;
   	vertical-align: bottom;
 	padding: .05em .5em .1em .3em;
-	border-radius: calc(var(--radius) / 2) 0 0 0;
+	border-radius: var(--radius) 0 0 0;
 	pointer-events: all;
 	border-width: 1px 0 0 1px;
 }
@@ -1289,7 +1289,7 @@ html:not(.e) #ggrid>a.thumbed.dir:before {
 	overflow-y: hidden;
 	margin: 0 .1em .1em .2em;
 	box-shadow: 0 0 .5em var(--mp-sh);
-	border-radius: calc(var(--radius) / 2);
+	border-radius: var(--radius);
 }
 #up_quick {
 	display: inline-block;
@@ -1297,7 +1297,7 @@ html:not(.e) #ggrid>a.thumbed.dir:before {
 	margin: 0 .2em .2em .1em;
 	font-size: .7em;
 	border-radius: 10px;
-	border-radius: calc(var(--radius) * 1.2);
+	border-radius: var(--radius);
 	background: #cde;
     background: var(--bg-u2);
 }
@@ -1308,7 +1308,7 @@ html:not(.e) #ggrid>a.thumbed.dir:before {
 	font-weight: bold;
 	box-shadow: 0 0 .5em color-mix(in oklab, var(--a) 20%, transparent);
 	border-radius: 10px;
-	border-radius: calc(var(--radius) * 1.2);
+	border-radius: var(--radius);
 	text-align: right;
 }
 .open #up_quick_more {
@@ -1335,7 +1335,7 @@ html:not(.e) #ggrid>a.thumbed.dir:before {
 	padding: .5em;
 	cursor: pointer;
 	border-radius: 10px;
-	border-radius: calc(var(--radius) * 1.6);
+	border-radius: var(--radius);
 }
 #up_quick .overlay_plus {
 	right: .3em;
@@ -1528,7 +1528,7 @@ html:not(.e):not(.d) #up_quick .btn.on {
 }
 #barpos,
 #barbuf {
-	border-radius: 9em;
+	border-radius: var(--radius);
 	position: absolute;
 	top: 0;
 	height: 100%;
@@ -2244,7 +2244,7 @@ html.b .btn {
 	background: #fff;
 	background: var(--bg-u2);
 	border-radius: 5px;
-	border-radius: calc(var(--radius) * 1.3);
+	border-radius: var(--radius);
 	padding: 0 .2em;
 	line-height: 2.3em;
 	margin-bottom: 1.5em;
@@ -2841,7 +2841,7 @@ html.y #bbox-overlay figcaption a {
   	grid-template-rows: max-content auto;
 	margin: 5vh 5vw;
 	border-radius: 10px;
-	border-radius: calc(var(--radius) * 1.6);
+	border-radius: var(--radius);
 	border: var(--a) solid 1px;
 	background: #fff;
 	background: var(--bg);
@@ -3022,7 +3022,7 @@ html.c .modalcontent {
 	box-shadow: 0 0 0 #999;
 	border: .1em solid var(--ud-b1);
 	border-radius: 10px;
-	border-radius: calc(var(--radius) * 1.6);
+	border-radius: var(--radius);
 	border-width: 2px;
 	color: #fff;
 	transition: all 0.12s;
@@ -3528,7 +3528,7 @@ html.b #u2etas {
 	background: var(--bg-d1);
 	border: 1px solid var(--bg-u1);
 	border-width: 2px;
-	border-radius: calc(var(--radius) * 1.6);
+	border-radius: var(--radius);
 }
 html.c #u2foot:empty,
 html.b #u2foot:empty {
@@ -3563,13 +3563,10 @@ html.by #tree {
 
 
 
-html.d #barpos,
-html.d #barbuf,
-html.d #pvol,
-html.a #barpos,
-html.a #barbuf,
-html.a #pvol {
-	border-radius: .2em;
+html.b #barpos,
+html.b #barbuf,
+html.b #pvol {
+	border-radius: calc(var(--radius) * 3);
 }
 html.a #barpos {
 	box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
@@ -3925,7 +3922,7 @@ html.e #wrap.thin {
 @supports (display: grid) and (gap: 1em) {
 	#ggrid {
 		display: grid;
-		margin: 0 .5em;
+		margin: .5em;
 		padding: unset;
 		grid-template-columns: repeat(auto-fit,var(--grid-sz));
 		justify-content: center;
diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index dda6d159..82cbf9d7 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -231,6 +231,7 @@ if (1)
 		"cl_hfsz": "filesize",
 		"cl_themes": "theme",
 		"cl_accent": "accent color (keep empty for default)$Nsupports any css color, like rgba(255, 210, 0, 1)",
+		"cl_radius": "corner radius in pixels (keep empty for default)",
 		"cl_fun": "enables or disables the FUN 🎉🚀👽🐹🥳❗ (reload the page after changing this setting)",
 		"cl_langs": "language",
 		"cl_ziptype": "folder download",
@@ -1250,6 +1251,7 @@ ebi('op_cfg').innerHTML = (
 	'			<input type="text" id="accent" placeholder="#color"></input>' +
 	'			<input type="color" id="accent_picker"></input>' +
 	'		</div>' +
+'			<input tt="' + L.cl_radius +'" type="text" id="radius" placeholder="[0-inf]"></input>' +
 	'		<a id="fun_tgl" class="tgl btn" tt="' + L.cl_fun + '">🥳</a>\n' +
 	'	</div>\n' +
 	'</div>\n' +
@@ -1444,6 +1446,29 @@ if(accent && accent.length > 3){
 	ebi('accent').value = ebi('accent_picker').value = accent;
 }
 
+// corner radius
+ebi('radius').oninput = function () {
+	var r = parseFloat(this.value);
+
+	clmod(ebi('radius'), 'invalid', this.value.length != 0 && r.length == 0);
+	if(r == radius)
+		return;
+
+	if(isNaN(r))
+		r = ''
+	swrite('radius', r);
+	var setV = r == '' ? '' : (r + 'px');
+	document.documentElement.style.setProperty('--radius', setV);
+	console.log(setV);
+}
+var radius = sread('radius');
+if(radius){
+	console.log('read radius from settings: ' + radius);
+	document.documentElement.style.setProperty('--radius', parseFloat(radius) + 'px');
+	ebi('radius').value = radius;
+}
+
+
 // no fun allowed
 bcfg_bind(this, 'fun_tgl', 'fun_tgl');
 
diff --git a/copyparty/web/ui.css b/copyparty/web/ui.css
index bd578344..f7fb85b9 100644
--- a/copyparty/web/ui.css
+++ b/copyparty/web/ui.css
@@ -9,7 +9,7 @@
 	--bg-max: #080808;
 	--a: #fc5;
 	accent-color: var(--a);
-	--radius: .3em;
+	--radius: 7px;
 	
 	--fg-max: #fefefe;
 	--bg-max: #010101;