.container-header {
  background-color:  #f2f4f4;
  background-image: none;
}
        body {
            background: white		/* background of your website */

        }
        

:root {
  --cassiopeia-color-primary: navy;
  --cassiopeia-color-hover: gray;
  --cassiopeia-color-link: blue;
}


.container-header .mod-menu {
   justify-content: center;
   color:  #f2f4f4 ;
   background-color:  #white;
   padding: 0;
}
.container-header {
  background-color: white;
  background-image: none;
}
        body {
            background: white		/* background of your website */

        }

.tm-footer {
    color: #1fa2d6 !important;
    background: #FFFFFF;
}
.tm-footer a {
    color: #FFFFFF!important;
}
.container-header .navbar-toggler { ... }
.container-header .mod-menu {
   justify-content: center;
   color: #ffffff;
   background-color: #22262a;
   padding: 0;
}
.footer {
  background-color: white;
}
.myklass .card-body {
  background-color: navy;
}