html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: sans-serif;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    background: url(//static.dalnix.se/dalnix_forest_bw.svg) no-repeat center center fixed;
    background: url(//static.dalnix.se/skog_dalnix3.svg) no-repeat center center fixed;
    background-color: #000;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;

}

.content img {
    max-width: calc(100% - 70px);
}

p {
    color: #000;
    mix-blend-mode: difference;
    filter: invert(1);
}

.content {
    padding: 20px;
    text-align: center;
    font-size: 1.5em;
}

a {
    color: #000;
    text-decoration: none;
}

.btn:hover {
    background-color: #000;
}

div.line {
    mix-blend-mode: difference;
    filter: invert(1);
    width: 100%;
    height: 1px;
    background-color: #000;
    margin-top: 2em;
    margin-bottom: 2em;
}

.btns {
    margin-top: 2em;
}

.btn {
    box-shadow: rgba(0,0,0,0.5) 5px 5px 10px;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    font-size: 0.8em;
    display: inline-block;
    background-color: #dc241f;
    color: #fff;
    border-radius: 0.5em;
    margin: 10px;
}