html, body {
    position: fixed;
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0mm;
    border: 0mm;
    padding: 0mm;
}


.background{
    position: absolute;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    background-color:#6699cc;
    background-image: url("background.jpg");
    background-position:center bottom;
    background-size: cover;
    background-attachment: scroll;
    background-repeat: no-repeat;
    z-index: -1;
}


.background_blur {
    position: fixed;
    top: 0%;
    left: 0%;
    width: 100%;
    height: 100%;
    -webkit-backdrop-filter: blur(5mm);
    backdrop-filter: blur(5mm);
}


.scrollbar{
    position: absolute;
    top: 0%;
    left: 0%;
    right: 0%;
    width: 100%;
    height: 100%;
    overflow-y: auto;
}


.content {
    max-width: 200mm;
    margin: 0mm;
    border: 0mm;
    padding: 0mm;
    margin-left: auto;
    margin-right: auto;
}

h1, label {
    display: block;
    color: #aaaaaa;
    color: #ffffff;
    
    background-color: #00000090;
    margin: 1mm;
    border: 0mm;
    padding: 0mm;
    margin-bottom: 0mm;
    padding-top: 1mm;
    transition: all .1s;
}

h2, h3, h4, h5, h6 {
    display: block;
    color: #000000;
    margin: 0mm;
    border: 0mm;
    padding: 0mm;
}

p {
    display: block;
    color: #f0f0f0;
    margin: 0mm;
    border: 0mm;
    padding: 0mm;
    margin-bottom: 5mm;
}

input[id^="spoiler"]{
    display: none;
}


input[id^="spoiler"]:checked + label {
    color: #ffffff;
    background-color: #00000070;
}

.spoiler {
    display: block;
    overflow: hidden;
    opacity: 1;
    background-color: #00000050;
    height: auto;
    margin: 1mm;
    border: 0mm;
    padding: 2mm;
    margin-top: 0mm;
}

input[id^="spoiler"]:not(:checked) + label + .spoiler{
    display: none;
    opacity: 0;
    height: 0mm;
    margin: 0mm;
    border: 0mm;
    padding: 0mm;
}