ffmpeg-mappable-media/docs/source/_themes/Alchemy/static/main.css

/**
 * Here you write your customizations
*/
body, html {
    background-color:#CEC7CB;
}

h1,h2,h3,h4,h5,h6, a, a:hover, a:visited{
    color:#404040;
}

.hero-unit{
    background-color: transparent;
}