Update contents.css

src/static/ckeditor/contents.css

@@ -1 +1 @@
-body{margin:20px;line-height:1.5;font-family:sans-serif,Arial,Verdana,"Trebuchet MS","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;color:#333;background-color:#fff}blockquote{font-style:italic;font-family:Georgia,Times,"Times New Roman",serif;padding:2px 0;border-style:solid;border-color:#ccc;border-width:0}a{color:#0782C1}ol,ul,dl{padding:0 40px}h1,h2,h3,h4,h5,h6{font-weight:normal;line-height:1.5}hr{border:0px;border-top:1px solid #ccc}pre{white-space:pre-wrap;word-wrap:break-word;-moz-tab-size:4;tab-size:4}span[lang]{font-style:italic}figure{text-align:center;outline:solid 1px #ccc;background:rgba(0,0,0,0.05);padding:10px;margin:10px 20px;display:inline-block}figure > figcaption{text-align:center;display:block}img{border-radius:.2rem}a > img{padding:1px;margin:1px;border:none;outline:1px solid #0782C1}img.right{border:1px solid #ccc;float:right;margin-left:15px;padding:5px}img.left{border:1px solid #ccc;float:left;margin-right:15px;padding:5px}.marker{background-color:Yellow}.cke_editable{font-size:14px;word-wrap:break-word}.cke_contents_ltr blockquote{padding-left:20px;padding-right:8px;border-left-width:5px}.cke_contents_rtl blockquote{padding-left:8px;padding-right:20px;border-right-width:5px}.code-featured{border:5px solid red}.math-featured{padding:20px;box-shadow:0 0 2px rgba(200,0,0,1);background-color:rgba(255,0,0,0.05);margin:10px}.image-clean{border:0;background:none;padding:0}.image-clean > figcaption{font-size:.9em;text-align:right}.image-grayscale{background-color:white;color:#666}.image-grayscale img,img.image-grayscale{filter:grayscale(100%)}.embed-240p{max-width:426px;max-height:240px;margin:0 auto}.embed-360p{max-width:640px;max-height:360px;margin:0 auto}.embed-480p{max-width:854px;max-height:480px;margin:0 auto}.embed-720p{max-width:1280px;max-height:720px;margin:0 auto}.embed-1080p{max-width:1920px;max-height:1080px;margin:0 auto}
+body{margin:20px;line-height:1.5;font-family:sans-serif,Arial,Verdana,"Trebuchet MS","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px;color:#424b51;background-color:#fff}blockquote{font-style:italic;font-family:Georgia,Times,"Times New Roman",serif;padding:2px 0;border-style:solid;border-color:#ccc;border-width:0}a{color:#0782C1}ol,ul,dl{padding:0 40px}h1,h2,h3,h4,h5,h6{font-weight:normal;line-height:1.5}hr{border:0px;border-top:1px solid #ccc}pre{white-space:pre-wrap;word-wrap:break-word;-moz-tab-size:4;tab-size:4}span[lang]{font-style:italic}figure{text-align:center;outline:solid 1px #ccc;background:rgba(0,0,0,0.05);padding:10px;margin:10px 20px;display:inline-block}figure > figcaption{text-align:center;display:block}img{border-radius:.2rem}a > img{padding:1px;margin:1px;border:none;outline:1px solid #0782C1}img.right{border:1px solid #ccc;float:right;margin-left:15px;padding:5px}img.left{border:1px solid #ccc;float:left;margin-right:15px;padding:5px}.marker{background-color:Yellow}.cke_editable{font-size:14px;word-wrap:break-word}.cke_contents_ltr blockquote{padding-left:20px;padding-right:8px;border-left-width:5px}.cke_contents_rtl blockquote{padding-left:8px;padding-right:20px;border-right-width:5px}.code-featured{border:5px solid red}.math-featured{padding:20px;box-shadow:0 0 2px rgba(200,0,0,1);background-color:rgba(255,0,0,0.05);margin:10px}.image-clean{border:0;background:none;padding:0}.image-clean > figcaption{font-size:.9em;text-align:right}.image-grayscale{background-color:white;color:#666}.image-grayscale img,img.image-grayscale{filter:grayscale(100%)}.embed-240p{max-width:426px;max-height:240px;margin:0 auto}.embed-360p{max-width:640px;max-height:360px;margin:0 auto}.embed-480p{max-width:854px;max-height:480px;margin:0 auto}.embed-720p{max-width:1280px;max-height:720px;margin:0 auto}.embed-1080p{max-width:1920px;max-height:1080px;margin:0 auto}