You can use Markdown is a plain text editor written in a markup language, HTML-like markup syntax through, it can make the plain text content has a certain format. But it does not support itself modify the font, font size and color and other features!
CSDN-markdown editor is its derivative version extends the Markdown function (such as tables, footnotes, embedded HTML, etc.)! Yes, that embedded HTML, talk about the next features you need to use inline HTML to achieve.
First line indent
   //全角缩进，相当于缩进两个汉字
   //半角缩进，相当于缩进两个英文标点
<p> test</p>
Font, size and color
<font face="黑体">我是黑体字</font>
<font face="微软雅黑">我是微软雅黑</font>
<font face="STCAIYUN">我是华文彩云</font>
<font color=#0099ff size=7 face="黑体">color=#0099ff size=72 face="黑体"</font>
<font color=#00ffff size=72>color=#00ffff</font>
<font color=gray size=72>color=gray</font>
Size：规定文本的尺寸大小。可能的值：从 1 到 7 的数字。浏览器默认值是 3。
Color name and color samples table
| Color name | Chinese name | Hex RGB | Decimal Decimal | ||
| LightPink | light pink | #FFB6C1 | 255,182,193 | ||
| Pink | Pink | # FFC0CB | 255,192,203 | ||
| Crimson | Dark red (scarlet) | #DC143C | 220,20,60 | ||
| Lavender Blush | Purple red | #FFF0F5 | 255,240,245 | ||
| PaleVioletRed | Weak violet red | # DB7093 | 219,112,147 | ||
| HotPink | Warm pink | #FF69B4 | 255,105,180 | ||
| DeepPink | Dark pink | # FF1493 | 255,20,147 | ||
| MediumVioletRed | The violet red | # C71585 | 199,21,133 | ||
| Orchid | Dark purple (purple orchid) | # DA70D6 | 218,112,214 | ||
| Thistle | 蓟色 | # D8BFD8 | 216,191,216 | ||
| Plum | Plum color (plum purple) | # DDA0DD | 221,160,221 | ||
| Violet | Violet | # EE82EE | 238,130,238 | ||
| Magenta | Magenta (Rose Red) | # FF00FF | 255,0,255 | ||
| Fuchsia | Purple (lantern Begonia) | # FF00FF | 255,0,255 | ||
| DarkMagenta | Deep Magenta | #8B008B | 139,0,139 | ||
| Purple | purple | #800080 | 128,0,128 | ||
| MediumOrchid | In purple orchids | # BA55D3 | 186,85,211 | ||
| DarkViolet | Dark violet | # 9400D3 | 148,0,211 | ||
| DarkOrchid | Dark purple orchid | # 9932CC | 153,50,204 | ||
| Indigo | Indigo / violet blue | #4B0082 | 75,0,130 | ||
| BlueViolet | Blue-violet Roland | # 8A2BE2 | 138,43,226 | ||
| MediumPurple | In purple | # 9370DB | 147,112,219 | ||
| MediumSlateBlue | Dark blue (in slate blue) | # 7B68EE | 123,104,238 | ||
| SlateBlue | Blue stone (slate blue) | #6A5ACD | 106,90,205 | ||
| DarkSlateBlue | Dark gray-blue (dark slate blue) | # 483D8B | 72,61,139 | ||
| Lavender | Lavender (Lavender purple) | # E6E6FA | 230,230,250 | ||
| GhostWhite | Ghost White | # F8F8FF | 248,248,255 | ||
| Blue | Chunlan | #0000FF | 0,0,255 | ||
| MediumBlue | Blue | #0000CD | 0,0,205 | ||
| MidnightBlue | Midnight Blue | #191970 | 25,25,112 | ||
| DarkBlue | Dark blue | #00008B | 0,0,139 | ||
| Navy | Navy blue | #000080 | 0,0,128 | ||
| RoyalBlue | Royal blue / royal blue | #4169E1 | 65,105,225 | ||
| Cornflower Blue | Cornflower blue | #6495ED | 100,149,237 | ||
| LightSteelBlue | Bright blue steel | #B0C4DE | 176,196,222 | ||
| LightSlateGray | Light blue-gray (bright Slate) | #778899 | 119,136,153 | ||
| SlateGray | Color limestone (Slate) | #708090 | 112,128,144 | ||
| DodgerBlue | Flashing blue (Dodger Blue) | #1E90FF | 30,144,255 | ||
| AliceBlue | Alice Blue | # F0F8FF | 240,248,255 | ||
| Steel Blue | Steel Blue / livid | # 4682B4 | 70,130,180 | ||
| LightSkyBlue | Bright blue sky | #87CEFA | 135,206,250 | ||
| SkyBlue | sky blue | # 87CEEB | 135,206,235 | ||
| DeepSkyBlue | Deep sky blue | # 00BFFF | 0,191,255 | ||
| LightBlue | Bright blue | # Add8a6 | 173,216,230 | ||
| PowderBlue | Powder blue (powder blue) | #B0E0E6 | 176,224,230 | ||
| CadetBlue | Army blue (blue uniforms) | # 5F9EA0 | 95,158,160 | ||
| Azure | Cerulean | #F0FFFF | 240,255,255 | ||
| LightCyan | 淡青色 | #E0FFFF | 224,255,255 | ||
| PaleTurquoise | 弱绿宝石 | #AFEEEE | 175,238,238 | ||
| Cyan | 青色 | #00FFFF | 0,255,255 | ||
| Aqua | 浅绿色(水色) | #00FFFF | 0,255,255 | ||
| DarkTurquoise | 暗绿宝石 | #00CED1 | 0,206,209 | ||
| DarkSlateGray | 暗瓦灰色(暗石板灰) | #2F4F4F | 47,79,79 | ||
| DarkCyan | 暗青色 | #008B8B | 0,139,139 | ||
| Teal | 水鸭色 | #008080 | 0,128,128 | ||
| MediumTurquoise | 中绿宝石 | #48D1CC | 72,209,204 | ||
| LightSeaGreen | 浅海洋绿 | #20B2AA | 32,178,170 | ||
| Turquoise | 绿宝石 | #40E0D0 | 64,224,208 | ||
| Aquamarine | 宝石碧绿 | #7FFFD4 | 127,255,212 | ||
| MediumAquamarine | 中宝石碧绿 | #66CDAA | 102,205,170 | ||
| MediumSpringGreen | 中春绿色 | #00FA9A | 0,250,154 | ||
| MintCream | 薄荷奶油 | #F5FFFA | 245,255,250 | ||
| SpringGreen | 春绿色 | #00FF7F | 0,255,127 | ||
| MediumSeaGreen | 中海洋绿 | #3CB371 | 60,179,113 | ||
| SeaGreen | 海洋绿 | #2E8B57 | 46,139,87 | ||
| Honeydew | 蜜色(蜜瓜色) | #F0FFF0 | 240,255,240 | ||
| LightGreen | 淡绿色 | #90EE90 | 144,238,144 | ||
| PaleGreen | 弱绿色 | #98FB98 | 152,251,152 | ||
| DarkSeaGreen | 暗海洋绿 | #8FBC8F | 143,188,143 | ||
| LimeGreen | 闪光深绿 | #32CD32 | 50,205,50 | ||
| Lime | 闪光绿 | #00FF00 | 0,255,0 | ||
| ForestGreen | 森林绿 | #228B22 | 34,139,34 | ||
| Green | 纯绿 | #008000 | 0,128,0 | ||
| DarkGreen | 暗绿色 | #006400 | 0,100,0 | ||
| Chartreuse | 黄绿色(查特酒绿) | #7FFF00 | 127,255,0 | ||
| LawnGreen | 草绿色(草坪绿_ | #7CFC00 | 124,252,0 | ||
| GreenYellow | 绿黄色 | #ADFF2F | 173,255,47 | ||
| DarkOliveGreen | 暗橄榄绿 | #556B2F | 85,107,47 | ||
| YellowGreen | 黄绿色 | #9ACD32 | 154,205,50 | ||
| OliveDrab | 橄榄褐色 | #6B8E23 | 107,142,35 | ||
| Beige | 米色/灰棕色 | #F5F5DC | 245,245,220 | ||
| LightGoldenrodYellow | 亮菊黄 | #FAFAD2 | 250,250,210 | ||
| Ivory | 象牙色 | #FFFFF0 | 255,255,240 | ||
| LightYellow | 浅黄色 | #FFFFE0 | 255,255,224 | ||
| Yellow | 纯黄 | #FFFF00 | 255,255,0 | ||
| Olive | 橄榄 | #808000 | 128,128,0 | ||
| DarkKhaki | 暗黄褐色(深卡叽布) | #BDB76B | 189,183,107 | ||
| LemonChiffon | 柠檬绸 | #FFFACD | 255,250,205 | ||
| PaleGoldenrod | 灰菊黄(苍麒麟色) | #EEE8AA | 238,232,170 | ||
| Khaki | 黄褐色(卡叽布) | #F0E68C | 240,230,140 | ||
| Gold | 金色 | #FFD700 | 255,215,0 | ||
| Cornsilk | 玉米丝色 | #FFF8DC | 255,248,220 | ||
| Goldenrod | 金菊黄 | #DAA520 | 218,165,32 | ||
| DarkGoldenrod | 暗金菊黄 | #B8860B | 184,134,11 | ||
| FloralWhite | 花的白色 | #FFFAF0 | 255,250,240 | ||
| OldLace | 老花色(旧蕾丝) | #FDF5E6 | 253,245,230 | ||
| Wheat | 浅黄色(小麦色) | #F5DEB3 | 245,222,179 | ||
| Moccasin | 鹿皮色(鹿皮靴) | #FFE4B5 | 255,228,181 | ||
| Orange | 橙色 | #FFA500 | 255,165,0 | ||
| PapayaWhip | 番木色(番木瓜) | #FFEFD5 | 255,239,213 | ||
| BlanchedAlmond | 白杏色 | #FFEBCD | 255,235,205 | ||
| NavajoWhite | 纳瓦白(土著白) | #FFDEAD | 255,222,173 | ||
| AntiqueWhite | 古董白 | #FAEBD7 | 250,235,215 | ||
| Tan | 茶色 | #D2B48C | 210,180,140 | ||
| BurlyWood | 硬木色 | #DEB887 | 222,184,135 | ||
| Bisque | 陶坯黄 | #FFE4C4 | 255,228,196 | ||
| DarkOrange | 深橙色 | #FF8C00 | 255,140,0 | ||
| Linen | 亚麻布 | #FAF0E6 | 250,240,230 | ||
| Peru | 秘鲁色 | #CD853F | 205,133,63 | ||
| PeachPuff | 桃肉色 | #FFDAB9 | 255,218,185 | ||
| SandyBrown | 沙棕色 | #F4A460 | 244,164,96 | ||
| Chocolate | 巧克力色 | #D2691E | 210,105,30 | ||
| SaddleBrown | 重褐色(马鞍棕色) | #8B4513 | 139,69,19 | ||
| Seashell | 海贝壳 | #FFF5EE | 255,245,238 | ||
| Sienna | 黄土赭色 | #A0522D | 160,82,45 | ||
| LightSalmon | 浅鲑鱼肉色 | #FFA07A | 255,160,122 | ||
| Coral | 珊瑚 | #FF7F50 | 255,127,80 | ||
| OrangeRed | 橙红色 | #FF4500 | 255,69,0 | ||
| DarkSalmon | 深鲜肉/鲑鱼色 | #E9967A | 233,150,122 | ||
| Tomato | 番茄红 | #FF6347 | 255,99,71 | ||
| MistyRose | 浅玫瑰色(薄雾玫瑰) | #FFE4E1 | 255,228,225 | ||
| Salmon | 鲜肉/鲑鱼色 | #FA8072 | 250,128,114 | ||
| Snow | 雪白色 | #FFFAFA | 255,250,250 | ||
| LightCoral | 淡珊瑚色 | #F08080 | 240,128,128 | ||
| RosyBrown | 玫瑰棕色 | #BC8F8F | 188,143,143 | ||
| IndianRed | 印度红 | #CD5C5C | 205,92,92 | ||
| Red | 纯红 | #FF0000 | 255,0,0 | ||
| Brown | 棕色 | #A52A2A | 165,42,42 | ||
| FireBrick | 火砖色(耐火砖) | #B22222 | 178,34,34 | ||
| DarkRed | 深红色 | #8B0000 | 139,0,0 | ||
| Maroon | 栗色 | #800000 | 128,0,0 | ||
| White | 纯白 | #FFFFFF | 255,255,255 | ||
| WhiteSmoke | 白烟 | #F5F5F5 | 245,245,245 | ||
| Gainsboro | 淡灰色(庚斯博罗灰) | #DCDCDC | 220,220,220 | ||
| LightGrey | 浅灰色 | #D3D3D3 | 211,211,211 | ||
| Silver | 银灰色 | #C0C0C0 | 192,192,192 | ||
| DarkGray | 深灰色 | #A9A9A9 | 169,169,169 | ||
| Gray | 灰色 | #808080 | 128,128,128 | ||
| DimGray | 暗淡的灰色 | #696969 | 105,105,105 | ||
| Black | 纯黑 | #000000 | 0,0,0 |
