ColdP_server/static/css/theme5.css

body{
    background:#EEF5F9 !important;
}
.container{
    background:linear-gradient(to left, #7b4397, #2196f3);
}

.left-nav{
    background:#fff !important;
}

.left-nav a{
    color:#686a76 !important;
}
.left-nav a.active{
    background: linear-gradient(to left, #7c8ce4, #2196f3) !important;
    color: #fff !important;
    border-color:  #7b4397 !important;
}
.left-nav a:hover{
    background: linear-gradient(to left, #7c8ce4, #2196f3) !important;
    color: #fff !important;
    border-color:  #7b4397 !important;
}
.container .logo a{
    background: rgba(0,0,0,0) !important;
}