blockscout/apps/block_scout_web/assets/css/components/_dropzone.scss

/*
 * The MIT License
 * Copyright (c) 2012 Matias Meno <m@tias.me>
 */

 @-webkit-keyframes passing-through {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30%,
	70% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
	100% {
		opacity: 0;
		-webkit-transform: translateY(-40px);
		-moz-transform: translateY(-40px);
		-ms-transform: translateY(-40px);
		-o-transform: translateY(-40px);
		transform: translateY(-40px);
	}
}

@-moz-keyframes passing-through {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30%,
	70% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
	100% {
		opacity: 0;
		-webkit-transform: translateY(-40px);
		-moz-transform: translateY(-40px);
		-ms-transform: translateY(-40px);
		-o-transform: translateY(-40px);
		transform: translateY(-40px);
	}
}

@keyframes passing-through {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30%,
	70% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
	100% {
		opacity: 0;
		-webkit-transform: translateY(-40px);
		-moz-transform: translateY(-40px);
		-ms-transform: translateY(-40px);
		-o-transform: translateY(-40px);
		transform: translateY(-40px);
	}
}

@-webkit-keyframes slide-in {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
}

@-moz-keyframes slide-in {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
}

@keyframes slide-in {
	0% {
		opacity: 0;
		-webkit-transform: translateY(40px);
		-moz-transform: translateY(40px);
		-ms-transform: translateY(40px);
		-o-transform: translateY(40px);
		transform: translateY(40px);
	}
	30% {
		opacity: 1;
		-webkit-transform: translateY(0px);
		-moz-transform: translateY(0px);
		-ms-transform: translateY(0px);
		-o-transform: translateY(0px);
		transform: translateY(0px);
	}
}

@-webkit-keyframes pulse {
	0% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
	10% {
		-webkit-transform: scale(1.1);
		-moz-transform: scale(1.1);
		-ms-transform: scale(1.1);
		-o-transform: scale(1.1);
		transform: scale(1.1);
	}
	20% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
}

@-moz-keyframes pulse {
	0% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
	10% {
		-webkit-transform: scale(1.1);
		-moz-transform: scale(1.1);
		-ms-transform: scale(1.1);
		-o-transform: scale(1.1);
		transform: scale(1.1);
	}
	20% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
}

@keyframes pulse {
	0% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
	10% {
		-webkit-transform: scale(1.1);
		-moz-transform: scale(1.1);
		-ms-transform: scale(1.1);
		-o-transform: scale(1.1);
		transform: scale(1.1);
	}
	20% {
		-webkit-transform: scale(1);
		-moz-transform: scale(1);
		-ms-transform: scale(1);
		-o-transform: scale(1);
		transform: scale(1);
	}
}

.dropzone-1,
.dropzone-1 * {
	box-sizing: border-box;
}

.dropzone-1 {
	min-height: 150px;
	border: 2px solid rgba(0, 0, 0, 0.3);
	background: white;
	padding: 20px 20px;
}

.dropzone-1.dz-clickable {
	cursor: pointer;
}

.dropzone-1.dz-clickable * {
	cursor: default;
}

.dropzone-1.dz-clickable .dz-message,
.dropzone-1.dz-clickable .dz-message * {
	cursor: pointer;
}

.dropzone-1.dz-started .dz-message {
	display: none;
}

.dropzone-1.dz-drag-hover {
	border-style: solid;
}

.dropzone-1.dz-drag-hover .dz-message {
	opacity: 0.5;
}

.dropzone-1 .dz-message {
	text-align: center;
	margin: 2em auto;
}

.dropzone-1 .dz-message .dz-button {
	background: none;
	color: inherit;
	border: none;
	padding: 0;
	font: inherit;
	cursor: pointer;
	outline: inherit;
}

.dropzone-1 .dz-preview {
	position: relative;
	display: inline-block;
	vertical-align: top;
	margin: 16px;
	min-height: 100px;
}

.dropzone-1 .dz-preview:hover {
	z-index: 1000;
}

.dropzone-1 .dz-preview:hover .dz-details {
	opacity: 1;
}

.dropzone-1 .dz-preview.dz-file-preview .dz-image {
	border-radius: 20px;
	background: #999;
	background: linear-gradient(to bottom, #eee, #ddd);
}

.dropzone-1 .dz-preview.dz-file-preview .dz-details {
	opacity: 1;
}

.dropzone-1 .dz-preview.dz-image-preview {
	background: white;
}

.dropzone-1 .dz-preview.dz-image-preview .dz-details {
	-webkit-transition: opacity 0.2s linear;
	-moz-transition: opacity 0.2s linear;
	-ms-transition: opacity 0.2s linear;
	-o-transition: opacity 0.2s linear;
	transition: opacity 0.2s linear;
}

.dropzone-1 .dz-preview .dz-remove {
	font-size: 14px;
	text-align: center;
	display: block;
	cursor: pointer;
	border: none;
}

.dropzone-1 .dz-preview .dz-remove:hover {
	text-decoration: underline;
}

.dropzone-1 .dz-preview:hover .dz-details {
	opacity: 1;
}

.dropzone-1 .dz-preview .dz-details {
	z-index: 20;
	position: absolute;
	top: 0;
	left: 0;
	opacity: 0;
	font-size: 13px;
	min-width: 100%;
	max-width: 100%;
	padding: 2em 1em;
	text-align: center;
	color: rgba(0, 0, 0, 0.9);
	line-height: 150%;
}

.dropzone-1 .dz-preview .dz-details .dz-size {
	margin-bottom: 1em;
	font-size: 16px;
}

.dropzone-1 .dz-preview .dz-details .dz-filename {
	white-space: nowrap;
}

.dropzone-1 .dz-preview .dz-details .dz-filename:hover span {
	border: 1px solid rgba(200, 200, 200, 0.8);
	background-color: rgba(255, 255, 255, 0.8);
}

.dropzone-1 .dz-preview .dz-details .dz-filename:not(:hover) {
	overflow: hidden;
	text-overflow: ellipsis;
}

.dropzone-1 .dz-preview .dz-details .dz-filename:not(:hover) span {
	border: 1px solid transparent;
}

.dropzone-1 .dz-preview .dz-details .dz-filename span,
.dropzone-1 .dz-preview .dz-details .dz-size span {
	background-color: rgba(255, 255, 255, 0.4);
	padding: 0 0.4em;
	border-radius: 3px;
}

.dropzone-1 .dz-preview:hover .dz-image img {
	-webkit-transform: scale(1.05, 1.05);
	-moz-transform: scale(1.05, 1.05);
	-ms-transform: scale(1.05, 1.05);
	-o-transform: scale(1.05, 1.05);
	transform: scale(1.05, 1.05);
	-webkit-filter: blur(8px);
	filter: blur(8px);
}

.dropzone-1 .dz-preview .dz-image {
	border-radius: 20px;
	overflow: hidden;
	width: 120px;
	height: 120px;
	position: relative;
	display: block;
	z-index: 10;
}

.dropzone-1 .dz-preview .dz-image img {
	display: block;
}

.dropzone-1 .dz-preview.dz-success .dz-success-mark {
	-webkit-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);
	-moz-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);
	-ms-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);
	-o-animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);
	animation: passing-through 3s cubic-bezier(0.77, 0, 0.175, 1);
}

.dropzone-1 .dz-preview.dz-error .dz-error-mark {
	opacity: 1;
	-webkit-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);
	-moz-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);
	-ms-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);
	-o-animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);
	animation: slide-in 3s cubic-bezier(0.77, 0, 0.175, 1);
}

.dropzone-1 .dz-preview .dz-success-mark,
.dropzone-1 .dz-preview .dz-error-mark {
	pointer-events: none;
	opacity: 0;
	z-index: 500;
	position: absolute;
	display: block;
	top: 50%;
	left: 50%;
	margin-left: -27px;
	margin-top: -27px;
}

.dropzone-1 .dz-preview .dz-success-mark svg,
.dropzone-1 .dz-preview .dz-error-mark svg {
	display: block;
	width: 54px;
	height: 54px;
}

.dropzone-1 .dz-preview.dz-processing .dz-progress {
	opacity: 1;
	-webkit-transition: all 0.2s linear;
	-moz-transition: all 0.2s linear;
	-ms-transition: all 0.2s linear;
	-o-transition: all 0.2s linear;
	transition: all 0.2s linear;
}

.dropzone-1 .dz-preview.dz-complete .dz-progress {
	opacity: 0;
	-webkit-transition: opacity 0.4s ease-in;
	-moz-transition: opacity 0.4s ease-in;
	-ms-transition: opacity 0.4s ease-in;
	-o-transition: opacity 0.4s ease-in;
	transition: opacity 0.4s ease-in;
}

.dropzone-1 .dz-preview:not(.dz-processing) .dz-progress {
	-webkit-animation: pulse 6s ease infinite;
	-moz-animation: pulse 6s ease infinite;
	-ms-animation: pulse 6s ease infinite;
	-o-animation: pulse 6s ease infinite;
	animation: pulse 6s ease infinite;
}

.dropzone-1 .dz-preview .dz-progress {
	opacity: 1;
	z-index: 1000;
	pointer-events: none;
	position: absolute;
	height: 16px;
	left: 50%;
	top: 50%;
	margin-top: -8px;
	width: 80px;
	margin-left: -40px;
	background: rgba(255, 255, 255, 0.9);
	-webkit-transform: scale(1);
	border-radius: 8px;
	overflow: hidden;
}

.dropzone-1 .dz-preview .dz-progress .dz-upload {
	background: #333;
	background: linear-gradient(to bottom, #666, #444);
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	width: 0;
	-webkit-transition: width 300ms ease-in-out;
	-moz-transition: width 300ms ease-in-out;
	-ms-transition: width 300ms ease-in-out;
	-o-transition: width 300ms ease-in-out;
	transition: width 300ms ease-in-out;
}

.dropzone-1 .dz-preview.dz-error .dz-error-message {
	display: block;
}

.dropzone-1 .dz-preview.dz-error:hover .dz-error-message {
	opacity: 1;
	pointer-events: auto;
}

.dropzone-1 .dz-preview .dz-error-message {
	pointer-events: none;
	z-index: 1000;
	position: absolute;
	display: block;
	display: none;
	opacity: 0;
	-webkit-transition: opacity 0.3s ease;
	-moz-transition: opacity 0.3s ease;
	-ms-transition: opacity 0.3s ease;
	-o-transition: opacity 0.3s ease;
	transition: opacity 0.3s ease;
	border-radius: 8px;
	font-size: 13px;
	top: 130px;
	left: -10px;
	width: 140px;
	background: #be2626;
	background: linear-gradient(to bottom, #be2626, #a92222);
	padding: 0.5em 1.2em;
	color: white;
}

.dropzone-1 .dz-preview .dz-error-message:after {
	content: '';
	position: absolute;
	top: -6px;
	left: 64px;
	width: 0;
	height: 0;
	border-left: 6px solid transparent;
	border-right: 6px solid transparent;
	border-bottom: 6px solid #be2626;
}

// custom styles
.dropzone-1 {
	border-color: $primary !important;
	border-style: dashed !important;
	align-items: center;
	justify-content: center;
	display: flex;
	background: rgba($primary, 0.1) !important;
}