diff -r 000000000000 -r bca7a7e058a3 src/pyams_skin/resources/less/ext/jquery-dndupload.less
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/less/ext/jquery-dndupload.less	Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,166 @@
+.dndupload {
+	font-size: 1.25rem; /* 20 */
+	background-color: #c8dadf;
+	position: relative;
+	padding: 40px 20px;
+	text-align: center;
+
+	&.has-advanced-upload {
+		outline: 2px dashed #92b0b3;
+		outline-offset: -10px;
+
+		-webkit-transition: outline-offset .15s ease-in-out, background-color .15s linear;
+		transition: outline-offset .15s ease-in-out, background-color .15s linear;
+	}
+
+	&.is-dragover {
+		outline-offset: -20px;
+		outline-color: #c8dadf;
+		background-color: #fff;
+	}
+
+	.box__dragndrop,
+	.box__icon {
+		display: none;
+	}
+
+	&.has-advanced-upload .box__dragndrop {
+		display: inline;
+	}
+
+	&.has-advanced-upload .box__icon {
+		width: 100%;
+		height: 80px;
+		fill: #92b0b3;
+		display: block;
+		margin-bottom: 40px;
+	}
+
+	&.is-uploading .box__input,
+	&.is-success .box__input,
+	&.is-error .box__input {
+		visibility: hidden;
+	}
+
+	.box__uploading,
+	.box__success,
+	.box__error {
+		display: none;
+		text-align: center;
+	}
+
+	&.is-uploading .box__uploading,
+	&.is-success .box__success,
+	&.is-error .box__error {
+		display: block;
+		position: absolute;
+		top: 50%;
+		right: 0;
+		left: 0;
+
+		-webkit-transform: translateY(-50%);
+		transform: translateY(-50%);
+	}
+
+	.box__uploading {
+		font-style: italic;
+	}
+
+	.box__success {
+		-webkit-animation: appear-from-inside .25s ease-in-out;
+		animation: appear-from-inside .25s ease-in-out;
+	}
+
+	@-webkit-keyframes appear-from-inside {
+		from {
+			-webkit-transform: translateY(-50%) scale(0);
+		}
+		75% {
+			-webkit-transform: translateY(-50%) scale(1.1);
+		}
+		to {
+			-webkit-transform: translateY(-50%) scale(1);
+		}
+	}
+
+	@keyframes appear-from-inside {
+		from {
+			transform: translateY(-50%) scale(0);
+		}
+		75% {
+			transform: translateY(-50%) scale(1.1);
+		}
+		to {
+			transform: translateY(-50%) scale(1);
+		}
+	}
+
+	.box__input {
+		text-align: center;
+	}
+
+	.box__restart {
+		font-weight: 700;
+	}
+
+	.box__restart:focus,
+	.box__restart:hover {
+		color: #39bfd3;
+	}
+
+	.box__button {
+		font-weight: 700;
+		color: #e5edf1;
+		background-color: #39bfd3;
+		display: none;
+		padding: 8px 16px;
+		margin: 40px auto 0;
+	}
+
+	.box__button:hover,
+	.box__button:focus {
+		background-color: #0f3c4b;
+	}
+}
+
+.js .box__file {
+	width: 0.1px;
+	height: 0.1px;
+	opacity: 0;
+	overflow: hidden;
+	position: absolute;
+	z-index: -1;
+}
+
+.js .box__file + label {
+	max-width: 80%;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+	cursor: pointer;
+	display: inline-block;
+	overflow: hidden;
+}
+
+.js .box__file + label:hover strong,
+.box__file:focus + label strong,
+.box__file.has-focus + label strong {
+	color: #39bfd3;
+}
+
+.js .box__file:focus + label,
+.js .box__file.has-focus + label {
+	outline: 1px dotted #000;
+	outline: -webkit-focus-ring-color auto 5px;
+}
+
+.js .box__file + label * {
+	/* pointer-events: none; */ /* in case of FastClick lib use */
+}
+
+.no-js .box__file + label {
+	display: none;
+}
+
+.no-js .box__button {
+	display: block;
+}