Tweaks to style of file attachments

src/styles/base.sass

@@ -825,8 +825,10 @@ label, label.control-label
 	.preview-thumbnail
 		width: 50px
 		height: 50px
+		min-width: 50px
+		min-height: 50px
 		margin-right: 10px
-		margin-bottom: 10px
+		margin-top: 5px
 		border-radius: 3px
 		background-color: $color-background
 
@@ -836,10 +838,11 @@ label, label.control-label
 	.form-upload-file-meta
 		list-style: none
 		padding: 0
-		margin: 0 0 10px 0
+		margin: 0
 		width: 100%
 		display: flex
 		flex-wrap: wrap
+		flex: 1
 
 		li
 			display: inline-block
@@ -860,6 +863,20 @@ label, label.control-label
 		.file_delete
 			color: $color-danger
 
+	.form-upload-file-actions
+		list-style: none
+		padding: 0
+		margin: 0
+		display: flex
+		flex-wrap: wrap
+
+		li
+			display: inline-block
+			padding: 5px 10px
+
+		.file_delete
+			color: $color-danger
+
 .form-group
 	&.error
 		.form-control, input