You mean the banner of web console? in solarwinds v10.2, locate this folder C:\Inetpub\SolarWinds\Orion\styles\
open MainLayout.css, find script :
.sw-mainnav-branding { border: none; margin: 0; padding: 0; width: 100%;
background: #373737 url(../images/sample.png) ----this sample.png is the image that you want to put in your banner
0 0 repeat-x;
background-size: 2299px 170px; ----this is the customization size for your banner
}
And for changing the link color,
#userName .content
{
font-size: 8pt;
color: #CFECEC; ---edit/change this color code
#userName a
{
color: #CFECEC; ---edit/change this color code
}
#userName a:hover --- ---edit/change this color code for hovering
{
color: #f99d1c;
}