#wpadminbar #wp-admin-bar-wp-logo{
background-image:url(../images/admin-logo.png) !important;
}
#adminmenu #menu-dashboard .wp-menu-image:before{
content:"";	
}
body.login #login{
position:relative;	
}
body.login #login:before{
content:"" !important;
background:url(../images/admin-logo.png) no-repeat center center;
width:250px;
height:80px;	
position: absolute;
top: 0px;
left: 50%;
margin-left: -125px;
}