html {
    font-size: 20px;
}

* {
    box-sizing: border-box;
}

.content {
    margin: auto;
    margin-top: 160px;
    width: 70%;
}

/*background: url("../res/background/background.jpg");*/
.background {
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("../res/background/background.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    
    height: 100%;

    filter: opacity(0.4) blur(0px);
    -webkit-filter: opacity(0.4) blur(0px);
}

body {    
    height: auto;
    padding-bottom: 60px;
}


@media screen and (max-width: 600px) {
    .content {
        width: 95%;
        margin-top: 120px;
    }
}