placement popup fix

src/client/canvas.ts

@@ -99,7 +99,7 @@ export class ViewCanvas {
 
     this._updateURL();
 
-    if (this._zoom > 20) {
+    if (this._zoom > 30) {
       this._getPlacerAt(this._relcursorx, this._relcursory);
     }
   }

src/client/scss/index.scss

@@ -61,7 +61,7 @@ body {
     background-repeat: no-repeat;
 
     &-placer {
-      position: relative;
+      position: absolute;
       min-width: 100px;
       background: white;
       box-shadow: 0px 1px 8px #5e5e5e;