adjust styles

src/editor/components/seDropdown.js

@@ -36,12 +36,8 @@ class Dropdown extends ListComboBox {
     result.content.append(
       templateFrom.html`
         <style>
-        :host {
-          float:left;
-        }
         [part~="source"] {
           grid-template-columns: 20px 1fr auto;
-          margin-top: 4px;
         }
         ::slotted(*) {
           padding: 4px;

src/editor/components/seInput.js

@@ -4,10 +4,6 @@ import 'elix/define/Input.js';
 const template = document.createElement('template');
 template.innerHTML = `
   <style>
-  :host {
-    position: relative;
-    top: 6px;
-  }
   img {
     top: 2px;
     left: 4px;

src/editor/components/seSpinInput.js

@@ -4,10 +4,6 @@ import 'elix/define/NumberSpinBox.js';
 const template = document.createElement('template');
 template.innerHTML = `
   <style>
-  :host {
-    position: relative;
-    top: 6px;
-  }
   img {
     top: 2px;
     left: 4px;