MediaWiki:Common.css

/* CSS placed here will be applied to all skins */
#ca-talk { display: none !important; }
#ca-history { display: none !important;}
#ca-nstab-main { display: none !important; }

/* hide the Navigation Bar */
body.page-The_USS_Dorado_Project #site-navigation,
body.page-Latest_News #site-navigation,
body.page-Dorado_SS-248 #site-navigation,
body.page-Dorado_Crew #site-navigation,
body.page-Dorado_Photographs #site-navigation,
body.page-Dorado_Loss_Scenario #site-navigation,
body.page-Dorado_Martin_PBM_Mariner_aircraft #site-navigation,
body.page-Dorado_Purple_Heart #site-navigation,
body.page-Dorado_Myths #site-navigation,
body.page-Dorado_documents_list #site-navigation {
    display: none !important;
}

/*
/* Change background only on the page titled "The USS Dorado Project" */
body.page-The_USS_Dorado_Project #mw-body-content {
    background-color: #f0e68c !important; /* Replace with any color you want */
}
*/

body.page-The_USS_Dorado_Project #mw-content-container {
    background: #f0e68c !important; /* Or any color you want */
}

body.page-The_USS_Dorado_Project #mw-content {
    background: transparent !important; /* Optional, if you want to ensure no conflicting background inside */
}