Common.css

body {
   background-image: url("http://www.conflictnations.com/fileadmin/templates/conflictnations/forum/bg.jpg");
    background-repeat: no-repeat;
    background-attachment: fixed;
}

div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, p, blockquote, th, td {
color: white;
}

#mainTable{
style=width:100%;
background: rgba(0, 0, 0, 0.2);
}

.top-bar,
.top-bar-section ul,
.top-bar-section ul li.active > a,
.top-bar-section li a:not(.button),
.top-bar-section .has-form {
    background: #262221;
    color: #000;
}

input[type="submit"] {
    background-color: red;
    border-color: #970000;
}