.vh-60 {
	height: 60vh;
}

.drag-list li {
	line-height: 3em;
	cursor: pointer;
	background-color: #f9f9f9;
	padding: 10px;
	margin: -5px 0;
	border: 5px solid #cccccc;
	box-sizing: border-box;
}
.drag-list li.drag-border-top {
	border-top: 5px solid #3fbfff;
}
.drag-list li.drag-border-bottom {
	border-bottom: 5px solid #3fbfff;
}
.rotate-180 {
	transform: rotateX(180deg);
}
[contenteditable="true"].single-line {
	white-space: nowrap;
	width: 120px;
	overflow: hidden;
}
[contenteditable="true"].single-line br {
	display: none;
}
[contenteditable="true"].single-line * {
	display: inline;
	white-space: nowrap;
}