some minor changes to help customcss move postform

gulp/res/css/style.css

@@ -910,7 +910,7 @@ input[type="file"] {
 	max-width: calc(100% - 10px);
 	max-height: calc(100% - 50px);
 	position: fixed;
-	top: 3em;
+	top: 3.5em;
 	right: 5px;
 	background-color: var(--post-color);
 	z-index: 2;

gulp/res/js/dragable.js

@@ -101,6 +101,7 @@ class Dragable {
 			default:
 				break;
 		}
+		this.target.style.bottom = 'unset';
 		setLocalStorage('dragtop', this.target.style.top);
 		setLocalStorage('dragleft', this.target.style.left);
 	}