Customize the WordPress admin WITHOUT a plugin:
1.
Download from /wp-admin/ this css file:
wp-admin.css
2.
admin link colours, find this line:
a {
border-bottom: 1px solid #69c;
color: #00019b;
text-decoration: none;
}
Adjust colour to your linkings
3.
admin link colours, find this line:
a.edit:hover {
background: #ccc;
color: #036;
}
a:visited {
color: #006;
}
a:hover {
/* border-bottom: 1px solid #3a75ae;*/
color: #069;
}
Adjust colour to your linkings
4.
Don't like Lucida Grande with serifs, adjust this:
body, td {
font: 13px "Lucida Grande", "Lucida Sans Unicode", Tahoma, Verdana;
}
5.
Admin top header background:
#adminmenu {
background: #6da6d1;
border-top: 3px solid #448abd;
margin: 0;
padding: .2em .2em .2em 2em;
}
#adminmenu a {
color: #000;
font-size: 14px;
font-weight: normal;
margin: 0;
padding: 3px 5px;
text-decoration: none;
}
#adminmenu a:hover, .current {
background: #ddeaf4;
color: #333;
}
Adjust colour to your likings.
6.
Admin second level header background:
#submenu {
background: #0d324f;
border-bottom: none;
margin: 0;
padding: 3px 2em 0 3em;
}
#submenu .current {
background: #f9fcfe;
border-top: 1px solid #045290;
border-right: 2px solid #045290;
color: #000;
}
#submenu a {
border: none;
color: #fff;
font-size: 12px;
padding: .3em .4em .33em;
}
#submenu a:hover {
background: #ddeaf4;
color: #393939;
}
Adjust colour to your likings.
7.
This is just a rough guide for changing link, background colours,
no margins or padding were touched, however if you're finished
your wp admin can look like this:
Screenshot