System Prefereces > OPAC > OPACUserCSS 

Paste following code,

h1#libraryname {
width:220px;
}
h1#libraryname a {
padding:80px 0 0;
width:220px;
}
#fluid {
margin-left: 224px;
}

 
Change Blue Mast Head

#opac-main-search {

background:#006743 none;

border-top: 0px }