body {
    color: #A0A0A0;
    background: #000;
    /* background: #000 url('https://image.ibb.co/mjnygo/stars.png') repeat top center; */
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    font-size: 1em;
    padding: 1em;
}

a,
a:link {
    color: white
        /*rgb(10, 132, 255)*/
    ;
    word-break: break-word;
    /*text-decoration: none; */
    font-weight: 600;
}

a:visited {
    color: white;
}

h1 {
    margin-top: 75px;
    font-size: 3em;
    color: rgb(255, 255, 255);
    word-break: break-all;
    /*  */
    word-wrap: break-word;
    /* if you want to cut the complete word */
    white-space: normal;
    /* be sure its not 'nowrap'! ! ! :/ */
    text-decoration: none;
}

h1:after {
    content: '_';
    animation: 1.5s blink step-end infinite;
}

@keyframes blink {

    from,
    to {
        opacity: 0;
    }

    50% {
        opacity: 1;
    }
}

h2 {
    font-size: 2em;
    color: rgb(255, 255, 255);
}

h2:after {
    content: '_';
    animation: 1.5s blink step-end infinite;
}

h3 {
    font-size: 1.5em;
    color: rgb(255, 255, 255);
}

h3:after {
    content: '_';
    animation: 1.5s blink step-end infinite;
}

h4 {
    font-size: 1.25em;
    color: rgb(255, 255, 255);
}

h4:after {
    content: '_';
    animation: 1.5s blink step-end infinite;
}

header {
    margin-bottom: 2em;
}

@media screen and (min-width: 800px) {
    main {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-column-gap: 2.5em;
        grid-row-gap: 1em;
    }
}

li {
    margin-bottom: 0.5em;
}

footer {
    margin-top: 2em;
}

i {
    color: rgb(255, 255, 255);
}

/* Style inputs, select elements and textareas */
input[type=password],
input[type=text],
select,
textarea {
    background-color: #000000;
    color: white;
    width: 30%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 2px;
    box-sizing: border-box;
    margin: 0px 5px;
    float: left;
}

/* Style the label to display next to the inputs */
label {
    padding: 12px 12px 12px 0;
    display: inline-block;
    font-weight: bold;
}

.file-label {
    color: rgb(174, 174, 178);
    padding: 12px 12px 12px 0;
    display: inline;
    font-size: 1em;
    margin: 0px 5px;
}

.file-label em {
    font-weight: normal;
}

/*
.file-label:after {
    content: '_';
    animation: 1.5s blink step-end infinite;
}
*/

/* Style the submit button */
button {
    background-color: #000000;
    color: white;
    padding: 12px;
    border: 1px solid white;
    border-radius: 4px;
    cursor: pointer;
    margin: 0px 5px;
    float: left;
}

button:disabled,
button[disabled] {
    opacity: 0.5;
    filter: alpha(opacity=90);
    text-decoration: line-through;
}

button.inline {
    display: inline;
    float: none;
    padding: 0px;
    margin: 0px;
    border: none;
}

table {
    width: 100%;
}

.file-pdf {
    color: rgb(174, 174, 178);
    padding: 5px 12px;
    font-size: 0.75em;
    border: 1px solid rgb(174, 174, 178);
}

i.file-pdf {
    color: rgb(174, 174, 178);
}

i.tags {
    size: 50%;
    color: black;
}

.file-tex {
    color: rgb(174, 174, 178);
    padding: 5px 12px;
    font-size: 0.75em;
    border: 1px solid rgb(174, 174, 178);
}

tr {
    padding-top: 10px;
    padding-bottom: 10px;
}

.tags {
    margin-left: 4em;
    white-space: 2;
}

.twinkling {
    position: absolute;
    display: block;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: transparent url('https://image.ibb.co/ir1DE8/twinkling.png') repeat top center;
    animation: move-twink-back 400s linear infinite;
}


@keyframes move-twink-back {
    from {
        background-position: 0 0;
    }

    to {
        background-position: -10000px 5000px;
    }
}

*:not(.twinkling, body, .fade, .star-wars, .crawl) {
    position: relative;
    z-index: 9;
}

/* The alert message box */
.alert {
    padding: 20px;
    background-color: rgba(255, 0, 0, 0.2);
    border: 2px solid red;
    color: rgb(174, 174, 178);
    border-radius: 5px;
    margin: 15px 0 0 0;
    font-style: italic;
    z-index: 999;
}

/* subclass with FH Aachen color */
.fh-mint {
    border: 2px solid rgb(0, 177, 172);
    background-color: rgba(0, 177, 172, 0.1);
}

/* subclass with MATSE color */
.matse {
    border: 2px solid rgb(0, 105, 180);
    background-color: rgba(0, 105, 180, 0.1);
}

/* subclass with MATSE color */
.info {
    border: 2px solid grey;
    background-color: rgba(128, 128, 128, 0.1);
}

/* remove padding for headings inside alert */

.alert h4 {
    margin: 0 5px;
    text-decoration: none;
    font-weight: bold;
    color: white;
}

.alert h4:before {
    content: '\02c3 ';
    padding-right: 5px;
    text-decoration: none;
    font-style: normal;
    font-weight: normal;
}

.alert p.answer {
    padding-left: 0px;
}

/* The close button */
.closebtn {
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
    padding: 0px 10px;
    margin: -10px -10px;
}

/* When moving the mouse over the close button */
.closebtn:hover {
    color: black;
}

section.double {
    grid-column: 1 / 3;
}