SCP Foundation

/*
    Xmas Theme
    [2020 Wikidot Theme]
       Originally made by Dc_Yerko for the Spanish Branch
       Ported to -EN by stormbreath
*/

div#container-wrap {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/GIF-111.gif');
}
#header {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/logo-xmas.png');
}

#top-bar div.open-menu a {
    color: #990011;
    border-color: #33552D;
}

#header-extra-div-1, #header-extra-div-2, #header-extra-div-3 {
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    background-repeat: repeat;
    height: 270px;
    width: 99.4vw;
    position: absolute;
    left: calc((-100vw + 100%)/2);
    z-index: 2;
    pointer-events: none;
}

/* ---- SNOWFALL, adapted from https://github.com/elena-in-code/Css-Snow-Fall-Animation ---- */

#header-extra-div-1 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/sn2.png');
    background-size: 230px;
    animation: snowOne 83s infinite linear;
    filter: blur(1.3px);
}
#header-extra-div-2 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/sn.png');
    background-size: 370px;
    animation: snowTwo 39s infinite linear;
    filter: blur(0.4px);
}
#header-extra-div-3 {
    background: url('https://scpfoundation.net/local--files/theme:xmas/sn.png');
    background-size: 720px;
    animation: snowThree 21s infinite linear;
    filter: blur(2.4px);
}

@keyframes snowOne{
    0%
    {
     background-position: 0px 0px;
            opacity: 0;
    }
    10%
    {
            opacity: 0.6;
    }
    90%
    {
            opacity: 0.5;
     }
    100%
    {
     background-position: 100px 750px;
     opacity:0;
    }
}
@keyframes snowTwo{
    0%
    {
     background-position: 0px -100px;
     opacity: 0;
    }
    8%
    {
            opacity: 0.74;
    }
    90%
    {
            opacity: 0.65;
     }
    100%
    {
     background-position: -50px 700px;
     opacity: 0;
    }
}
@keyframes snowThree{
    0%
    {
     background-position: 0px 100px;
     opacity: 0;
    }
    13%
    {
            opacity: 0.9;
    }
    91%
    {
            opacity: 0.8;
    }
    100%
    {
     background-position: 240px 750px;
     opacity: 0;
    }
}

:root {
    --logo-image: url("https://scpfoundation.net/local--files/theme:xmas/logo-xmas-bhl.png");
}

#extra-div-1,#extra-div-2 {
    height: 2rem;
    width: 100%;
    position: absolute;
    top: calc(var(--final-header-height-on-desktop) - 0.3125rem);
    background-repeat: repeat-x;
    background-size: 6.2rem;
    pointer-events: none;
    z-index: 9;
}
#extra-div-1 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/n1.png');
    animation: lightOne 3s infinite steps(1, end);
}
#extra-div-2 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/n2.png');
    animation: lightTwo 3s infinite steps(1, end);
}
@media (max-width: 767px) {
  #extra-div-1, #extra-div-2 {
       top: calc(var(--header-height-on-mobile) + var(--topbar-height-on-mobile) - 0.3125rem);
  }
}
@keyframes lightOne {
    0% { opacity: 0; }
    50% { opacity: 1; }
    100% { opacity: 0; }
}
@keyframes lightTwo {
    0% { opacity: 1; }
    50% { opacity: 0; }
    100% { opacity: 1; }
}

#extrac-div-1, #extrac-div-2, #extrac-div-3 {
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 50%, rgba(0,0,0,0));
    height: 24rem;
    width: 100%;
    position: absolute;
    background-repeat: repeat;
    z-index: 10;
    pointer-events: none;
}

#extrac-div-1 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/sn2.png');
    background-size: 230px;
    animation: snowOne 83s infinite linear;
    filter: blur(1.3px);
}
#extrac-div-2 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/sn.png');
    background-size: 370px;
    animation: snowTwo 39s infinite linear;
    filter: blur(0.4px);
}
#extrac-div-3 {
    background-image: url('https://scpfoundation.net/local--files/theme:xmas/sn.png');
    background-size: 720px;
    animation: snowThree 21s infinite linear;
    filter: blur(2.4px);
}
@media (max-width: 767px) {
   #extrac-div-1, #extrac-div-2, #extrac-div-3 {
       height: 10.5rem;
   }
}