body {
    color: #5fd154;
    font-family: "Courier New", Courier, monospace;
    position: absolute;
    background-image: repeating-linear-gradient(to top, transparent 1px, #1a450a 5px);
    background-color: #0e2606;
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
}

#vignette{
    box-shadow: 0 0 200px rgba(0,0,0,0.9) inset;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;    
    z-index: 1;
}
#cracks {
    width: 100%;
    height: 100%;
    mix-blend-mode: overlay;
    opacity: 0.5;
}

header{
    text-align: center;
    font-size: 18px;
    padding: 10px;
    border-bottom: 5px double rgba(95, 209, 84, 0.6);
    margin-bottom: 1em;
}

main {
    padding: 0 1em 1em;
    max-width: 1200px;
    margin: 0 auto;
    opacity: 0.85;
    position: relative;
    z-index: 2;

    -webkit-animation: fadein 4s; /* Safari, Chrome and Opera > 12.1 */
       -moz-animation: fadein 4s; /* Firefox < 16 */
            animation: fadein 4s;
}

@keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Firefox < 16 */
@-moz-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Safari, Chrome and Opera > 12.1 */
@-webkit-keyframes fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

a{
    color: inherit;
    font-weight: bold;
    text-decoration: none;
}
a:hover{
    color: #97f1c8;
}

.sidebar{
    float: right;
    width: 200px;
    padding: 1em;
    border: 1px solid;
    margin: 1em 1em 1em 2em;
}

.sidebar h4{
    margin-bottom: 1em;
}

.sidebar a{
    display: block;
}
.sidebar a::before{
    content: "> ";
}

h1,h2,h3,h4{
    font-weight: normal;
    line-height: 1em;
    margin: 0;
    padding: 0;
}


@media (max-width: 640px){

    .sidebar{
        width: calc(100% - 4em);
        float: none;
        margin: 1em;
    }
}