The level of code is not high, do not criticize. :drooling_face:

@font-face {
    font-family: "wk";
    src: url("C:/Windows/Fonts/LXGWWenKai-Regular.ttf") format("truetype");
}

body {
    font-family: "wk";
    font-size: 18px;
}

ol > li::marker {
    color: rgb(21, 91, 218);
    font-weight: bold;
}
ul >li::marker{
    color: rgb(21, 91, 218);
}

h1, h2, h3, h4, h5, h6 {
    color: rgb(21, 91, 218);
	line-height: 30px;   
}

h1 {
	font-size: 1.5em;
}
h2 {
	font-size: 1.4em;
}
h3 {
	font-size: 1.3em;
}
h4 {
	font-size: 1em;
}
h5{
	font-size: 1em;
}
h6 {
	font-size: 1em;
}
h1::before {
    content: "h1";
    position: relative;
	display: inline-block;
	top: -5px;;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 15px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}
h2::before {
    content: "h2";
    position: relative;
	display: inline-block;
	top: 0;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 15px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}
h3::before {
    content: "h3";
    position: relative;
	display: inline-block;
	top: 0;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 15px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}
h4::before {
    content: "h4";
    position: relative;
	display: inline-block;
	top: 0;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 15px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}
h5::before {
    content: "h5";
    position: relative;
	display: inline-block;
	top: 0;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 15px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}
h6::before {
    content: "h6";
    position: relative;
	display: inline-block;
	top: 0;
    left: 0;
    color: rgb(220, 220, 220);
	font-size: 13px;
	line-height: 30px;
	margin-right: 10px;
    font-family: "wk";
}

/* 	Check box */
.md-checkbox {
	color: var(--joplin-color);
	color: black;
}
.md-checkbox input[type=checkbox]:checked {
	opacity: 0.7;
}

.jop-tinymce ul.joplin-checklist .checked,
.md-checkbox .checkbox-label-checked {
	opacity: 0.5;
}

/* 	Bold */
b,strong{
    font-weight:bolder;
    color: #A63F78;
}

b::before,b::after,
strong::before,strong::after {
	position: relative;
	content:"**";
}

	/*italic*/
em, i {
    font-style: italic;
    color: #e1c11f;
}
em::before,em::after,
i::before,i::after {
	position: relative;
	content:"*";
}


/* 	 mark*/
mark {
	background-color: #fffadc;
	padding: 0 5px;
/* 	border-radius: 4px; */
	color: var(--joplin-color);
}

mark::before,mark::after {
	content: "::";
}

/* Hyphenated*/
s {
	color: #c9846c !important;
}

del {
	color: #c9846c !important;
}

del::before,del::after,
s::before,s::after	{
	position: relative;
	content:"~~";
}


/*underline*/
ins,u{
    color: #a17fe0;
}

/*Dividing line*/
hr {
    border: none;
    border-top: 2px solid #ed5a65;
    margin: 1em 0;
}