body {
    background: black;
    color: white;
}

.head-section {
    border-bottom: 1px solid black;
}

.head-section .navbar-default {
    background-color: black;
    color: white;
}

.head-section .nav li a, .head-section .nav li.active ul.dropdown-menu li a {
    color: white;
}

.head-section .nav li .dropdown-menu {
    background: black;
}

.navbar-default .navbar-brand {
    color: white;
}

table {
    color: #373a3c;
}

pre {
    background: black;
}

textarea, input {
    background: black;
}