html,
body {
    height: 100%;
    color: rgba(255,255,255,.80);
    font-family: Roboto, Arial, Helvetica, sans-serif;
}

body {
    background-size: 100% 100%;
    background-attachment: fixed;
    background-position: center;
    background-image: url(../img/abstract.png);
    /*
    https://pixabay.com
    background-image: url(../img/unsplash.jpg);
    background-image: url(../img/colors.jpg);
    background-image: url(../img/wood.jpg);
    background-image: url(../img/diagonal.jpg);
    background-image: url(../img/bluestripes.jpg);
    background-image: url(../img/texture.jpg);
    */
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

a {
    color: inherit;
}

a:hover {
    color: #fff;
}

.inline-icon {
   vertical-align: bottom;
}

/* Navbar styling */
nav {
    background-color: rgba(0,0,0,.8);
    color: rgba(255,255,255,.80);
}

nav ul a {
    color: rgba(255,255,255,.80);
}

nav .brand-logo {
    top: 7px;
}

.nav-header {
    background-color: rgba(0,0,0,.4);
}

.nav-wrapper, .nav-content {
    width: 70%;
    margin: 0 auto;
}

@media only screen and (max-width: 992px) {
    .nav-wrapper,
    .nav-content {
        width: 100%;
    }
}

.tabs.tabs-transparent .tab a:hover,
.tabs.tabs-transparent .tab a.active,
nav ul li a:hover,
nav ul li.active {
    background-color: rgba(255,255,255,.09);
    color: rgba(255,255,255,.95);
}

.sidenav {
    background-color: rgba(0,0,0,.95);
    transition: opacity .3s,-webkit-transform .3s;
    transition: transform .3s,opacity .3s;
    transition: transform .3s,opacity .3s,-webkit-transform .3s;
}

.sidenav li > a {
    color: inherit;
}

.sidenav li > a:hover,
.sidenav li > a.active {
    background-color: rgba(255,255,255,.06);
    color: inherit;
}

.sidenav li > a > i.material-icons {
    margin: 0;
    color: inherit;
    font-size: inherit;
}

/* Content styling */
.card {
    box-shadow: 0 1px 5px rgba(0,0,0,.1);
    word-wrap: break-word;
    background-color: rgba(0,0,0);
    opacity: 0.8;
    border: 1px solid transparent;
    border-radius: 2px;
}

.card .card-action {
    opacity: inherit;
}

.card .card-action a:not(.btn):not(.btn-large):not(.btn-small):not(.btn-large):not(.btn-floating) {
    color: inherit;
}

.card .card-action a:not(.btn):not(.btn-large):not(.btn-small):not(.btn-large):not(.btn-floating):hover {
    color: #fff;
}

.content {
    flex: 1 0 auto;
}

.content > .card {
    width: 70%;
    margin: 0 auto;
    margin-top: 15px;
    margin-bottom: 15px;
}

@media only screen and (max-width: 992px) {
    .content > .card {
        width: 100%;
    }
}

.content > .card p {
    margin-bottom: 1rem;
}

/* Footer styling */
.page-footer {
    padding-top: 20px;
    background-color: rgba(0,0,0,.8);
    color: rgba(255,255,255,.80);
}

.page-footer .footer-copyright {
    background-color: rgba(0,0,0,.4);
}

footer .container {
    max-width: 100%;
}

footer .row > .col {
    padding-left: 0;
    padding-right: 0;
}