Trilium/dist/index-editor.css

.ck-mermaid__wrapper{
	display:flex;
	justify-content:center;
}
.ck-mermaid__wrapper .ck-mermaid__editing-view{
	padding:16px;
	background-color:hsla(0, 0%, 78%, 0.3);
	min-height:200px;
	border:0;
	resize:vertical;
	font-size:12px;
	outline:0;
}
.ck-mermaid__preview{
	display:flex;
	justify-content:center;
}
[id^="dmermaid-"]{
	display:flex;
	align-items:center;
	height:100%;
	justify-content:center;
}

[id^="dmermaid-"] svg{
	display:block;
	width:60%;
	height:auto;
}
.ck-mermaid__source-mode .ck-mermaid__editing-view{
	width:100%;
}

.ck-mermaid__source-mode .ck-mermaid__preview{
	display:none;
}
.ck-mermaid__split-mode .ck-mermaid__editing-view{
	width:50%;
}

.ck-mermaid__split-mode .ck-mermaid__preview{
	width:50%;
}
.ck-mermaid__preview-mode .ck-mermaid__editing-view{
	display:none;
}