html {
    position: relative;
    min-height: 100%;
}

body {
    background-color: #333;
    color: #fff;
    max-width: 1920px;
    font-size: 1.2rem;
}


/* Header */

header {
    z-index: 100;
    position: relative;
}

.logo {
    width: 200px;
}

.navbar {
    background-color: #000;
    padding-top: 15px;
    padding-bottom: 15px;
}

.navbar-toggler {
    position: absolute;
    right: 20px;
    top: 18px;
}

.navbar-collapse {
    position: absolute;
    right: 15px;
    top: 15px;
}

.navbar-dark .navbar-nav .nav-link {
    color: #fff;
}


.banner {
    margin-top: 60px;
    background-color: #f6f6f6;
}

.banner img {
    width: 100%;
}


/* body */


body > .container {
    padding: 60px 15px 0;
}

h1 {
    margin-top: 4em;
    font-size: 46px;
    font-weight: bold;
}

h2 {
    margin-top: 80px;
    margin-bottom: 20px;
}

h2::after {
  content: "";
  display: block;
  border-bottom: 4px solid white;
  width: 90px;
  position: relative;
  bottom: -18px; /* your padding + border-width */
}

ul {
    padding-left: 20px;
}

code {
    font-size: 80%;
}

.card {
    background: none;
    border: 1px solid #888;
}


/* Skew */

.skewed-bg {
    background: #D8432A;
    background: #00B285;
    padding: 10em 0 4em;
    -webkit-transform: skew(0deg, -5deg);
    transform: skew(0deg, -5deg);
    margin-top: -15em;
}

.skewed-bg .content {
    -webkit-transform: skew(0deg, 5deg);
    transform: skew(0deg, 5deg);
}

.under-skew {
    padding: 22em 0 24em 0;
    background: #000;
    margin-top: -12em;
    color: #fff;
}



/* Footer */

.footer {
    width: 100%;
    line-height: normal;
    background-color: #000;
    padding: 27em 15px 7em 15px;
    margin-top: -15em;
}

.footer > .container {
    padding-right: 15px;
    padding-left: 15px;
}

footer h2 {
    margin-top: 10px;
    margin-bottom: 20px;
}



/* Media queries */


@media screen and (max-width:1280px) {

    .skewed-bg {
        padding: 5em 0 4em;
        margin-top: -15em;
    }

    .under-skew {
        padding: 16em 0 23em 0;
        margin-top: -10em;
    }

    h1 {
        margin-top: 7em;
    }

    .footer {
        padding: 25em 15px 7em 15px;
    }
}


@media screen and (max-width:767px) {
    .card {
        margin-bottom: 15px;
    }

    .navbar-collapse {
        position: static;
        right: auto;
        top: auto;
        margin-top: 15px;
    }

    .under-skew {
        padding: 15em 0 13em 0;
    }

    .skewed-bg {
        padding: 4em 0 7em;
        margin-top: -5em;
    }

    h1 {
        margin-top: 3em;
    }

    .footer {
        padding: 23em 15px 7em 15px;
    }
}