Site Cleaners

GeeksforGeeks.css

.themonic-nav ul.nav-menu,.themonic-nav div.nav-menu>ul {
    background: none repeat scroll 0 0 #111111;
}

a {
    color: #0000ff;
}

#menu-top>li a {
    color: #ffffff
;
}

.themonic-nav li ul li a {
    background: #111111;
}

#secondary, .leftSideBarParent, .header-gfg-logo, .masterhead-buttons, footer, .layout {
    display: none;
}

.site-content {
    width: auto;
}

button.gsc-search-button.gsc-search-button-v2 {
    color: #ffffff;
    background-color: #000000;
}

div.gsc-input-box.gsc-input-box-hover {
    background-color: #0a0a0a;
    color: #1f1c1f;
}

span.nav-previous a {
    background-color: #ebebeb;
    border-style: none;
    border-color: #ffffff;
}

span.nav-next a {
    background-color: #ebebeb;
    border-style: none;
    border-color: #000000;
}

GeeksforGeeks.js

$(document).ready(function(){
    $('#secondary').hide();
    $('.leftSideBarParent').hide();
    $('.header-gfg-logo').hide();
    $('.masterhead-buttons').hide();
    $('footer').hide();
    $('.site-content').css('width', 'auto')
});

TechieDelight.js

$(document).ready(function(){
    $('.header-nav').hide();
    $('footer').hide();
    $('#sidebar-primary').hide();
    $('#comments').hide();
    $('#main > div').removeClass("wrap");
    $('.post-navigation').hide();
    $('.sharedaddy').hide();
});