html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    font-family: 'Overpass Mono', monospace;
    overflow: auto;

    color: #FFF;
    background-color: #141414;
}

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

/* sidebar */
#sidebar {
    position: relative;

    width: 100%;
    height: 110px;
    z-index: 5;

    background-color: #141414;
}

#sidebar .name {
    text-align: right;
    font-size: 30pt;
    right: 0;
}

#main_content {
    position: relative;
    width: 100%;
    min-height: 100%;
    background-color: #9e9e9e;
}

#main_content.colorized {
    background-color: #141414;
}

/* navigation menu */
.menu {
    position: relative;
    top: 0;
    width: 100%;
    height: 250px;
    z-index: 3;
    background: #141414;
    overflow: hidden;
}

.menu.logo {
    background: #141414 url(../logo.svg) no-repeat;
}

.menu #hamburger_icon {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 5;
    cursor: pointer;
    display: none;

    background: #141414 url(../menu.svg) center no-repeat;
    -moz-background-size: contain;
    -webkit-background-size: contain;
    background-size: contain;
}

.menu #hamburger_icon:hover {
    background: #141414 url(../menu_hover.svg) center no-repeat;
    -moz-background-size: contain;
    -webkit-background-size: contain;
    background-size: contain;
}

#menu_shadow {
    position: absolute;
    top: 230px;
    width: 100%;
    height: 20px;
    z-index: 3;
    -moz-box-shadow: 0 10px 15px 0 rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: 0 10px 15px 0 rgba(0, 0, 0, 0.3);
    box-shadow: 0 10px 15px 0 rgba(0, 0, 0, 0.3);

    filter: progid:DXImageTransform.Microsoft.Blur(PixelRadius=15, MakeShadow=true, ShadowOpacity=0.30);
    -ms-filter: "progid:DXImageTransform.Microsoft.Blur(PixelRadius=15,MakeShadow=true,ShadowOpacity=0.30)";
}

#menu_shadow.disabled {
    display: none;
}

.menu .menu_content {
    position: relative;
    float: right;
    width: 100%;
    z-index: 5;
    text-align: center;
}

.menu.logo .menu_content {
    width: 50%;
}

.menu .menu_content a {
    display: block;
    width: 100%;
    text-align: center;
    line-height: 50px;
    z-index: 5;
}

.menu .menu_content a:hover {
    font-weight: bold;
}

.menu .menu_content a.active {
    text-decoration: underline;
}

.content {
    display: none;
    position: relative;
    width: 100%;
    z-index: 0;
    font-family: 'Open Sans Condensed', sans-serif;
}

.content#home img, .content#impressum img, .content#error img {
    display: none;
}

.content #positioned_text {
    margin-left: 10px;
    margin-top: 10px;
}

.content #positioned_text h1 {
    margin-top: 0;
}

.content #positioned_text a {
    text-decoration: underline;
}

#copyright {
    display: none;
    width: 300px;
    font-family: 'Open Sans Condensed', sans-serif;

    bottom: 0;
    left: 0;
    right: 0;

    margin-left: auto;
    margin-right: auto;

    text-align: center;
}

#main_content #copyright {
    text-align: left;
    background-color: transparent;
}

@media screen and (min-width: 800px) {
    html, body {
        overflow: hidden;
    }

    /* sidebar */
    #sidebar {
        float: left;

        min-width: 150px;
        width: 14%;
        height: 100%;
        z-index: 5;

        padding-top: 415px;
    }

    #sidebar .name {
        position: fixed;
        transform: rotate(-90deg);
        transform-origin: left top;
        -webkit-transform: rotate(-90deg);
        -webkit-transform-origin: left top;
        left: 4%;
        right: auto;
    }

    #main_content {
        float: left;
        width: 86%;
        height: 100%;
        max-width: calc(100% - 150px);
        overflow-y: auto;
    }

    /* navigation menu */
    .menu {
        position: absolute;
        width: 100%;
        height: 200px;
        background: #141414;
        z-index: 3;
    }

    .menu.logo {
        background: #141414;
    }

    #menu_shadow {
        top: 180px;
    }

    #menu_shadow.disabled {
        display: none;
    }

    .menu .menu_content {
        position: absolute;
        float: none;
        left: 0;
        bottom: 20px;
        width: 100%;
        text-align: inherit;
    }

    .menu.logo .menu_content {
        width: 100%;
    }

    .menu .menu_content a {
        display: inline-block;
        width: 19%;
    }

    .menu .menu_content a:hover {
        font-weight: bold;
    }

    .menu .menu_content a.active {
        text-decoration: underline;
    }

    /* Page content */
    .content {
        display: none;
        position: absolute;
        width: 100%;
        min-height: calc(100% - 200px);
        margin-top: 200px;
    }

    .content#home, .content#impressum, .content#error {
        /* fix page height */
        height: calc(100% - 200px);
    }

    .content#home img, .content#impressum img, .content#error img {
        display: block;
        height: 100%;
        float: left;
    }

    .content #positioned_text {
        float: left;
        position: absolute;
        left: calc(65.5% - 27px);
        top: 36%;
        margin: 0;
    }

    #copyright {
        position: absolute;
    }

    #main_content #copyright {
        margin-left: calc(8.5% - 46px);
    }
}