.navbar-default,html body{background-color:#ffffe0}header{background:url(https://www.matthewb.id.au/converter/images/Converter_Header.jpg) center center no-repeat;height:250px}.navbar-default{border:none}p.big{line-height:200%}p.twocolumns{column-count:2;line-height:150%}.jumbotron{color:#000;background:0 0}a.footerbtn{border:2px solid #000;margin:10px;padding:10px;border-radius:10px;color:#000;font-size:22px}