FileManager: fixed underscores not showing up in icon view

vispa/extensions/file2/static/css/style.css

@@ -68,7 +68,7 @@
 .file2.browser>.item-container.icons>.items>.item>.icon>i{font-size:2.875em}
 .file2.browser>.item-container.icons>.items>.item>.icon>input{width:1.25em;height:1.25em;position:absolute;top:0;left:0;margin:0;opacity:.2}
 .file2.browser>.item-container.icons>.items>.item>.icon>input:checked{opacity:1}
-.file2.browser>.item-container.icons>.items>.item>.name{text-align:center;overflow-wrap:break-word;display:block;display:-webkit-box;max-height:3.45em;margin:.15em;line-height:1.15em;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}
+.file2.browser>.item-container.icons>.items>.item>.name{text-align:center;overflow-wrap:break-word;display:block;display:-webkit-box;max-height:3.45em;padding:.15em;line-height:1.15em;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}
 .file2.browser>.filter{position:absolute;background:#fff;z-index:25;bottom:0;left:25px;border:1px solid #000;border-radius:3px 3px 0 0;border-bottom:0;padding:2px}
 .file2.browser>.filter>.count{display:inline-block;min-width:35px;padding:0 1px}
 .file2.browser>.filter>.count>i{margin:0 2px}

vispa/extensions/file2/static/css/style.less

@@ -323,7 +323,7 @@
             display: -webkit-box;
             // max-width: 100%;
             max-height: @icons-line-height * @icons-max-lines;
-            margin: 0.15em;
+            padding: 0.15em;
             line-height: @icons-line-height;
             -webkit-line-clamp: @icons-max-lines;
             -webkit-box-orient: vertical;