body{
    padding: 0;
    margin: 0;
    font-family: "Arial", monospace;
}

header {
    position: sticky;
    top: 0;
    padding: 20px;
    font-size: 100px;
    display: flex;
    background-color: #4DFBFF;
    text-shadow: 3px 3px 1px grey;
    justify-content: center; /*Ausrichtung in der Horizontalen*/
    align-items: center; /*Ausrichtung in der Vertikalen*/
}

header.sub_page{
    font-size: 50px;
}

/*Allgemein mittige Ausrichtung der Seite*/
.central_page_align{
    width: 100%;
    text-align: center;
}

hr {
    position: sticky;
    top: 165px;
    border-block-color: black;
    border-block-width: 2px;
    border-bottom-color: grey;
    border-bottom-width: 2px;
}
hr.sub_page{
    top: 107px;
}

/*Gestaltung des Unterüberschriften*/
.sub_header{
    font-size: 20px;
    font-weight: bold;
}

/*Gestaltung der Eingabefelder*/
input{
    width: 300px;
    height: 80px;
    display: inline-block;
    margin:20px;
    font-size: 20px;
    border-radius:3px;
    border-color: #474747;
    background-color: #d1f5fd;
    color: #000000;
    box-shadow:inset 0 0 4px #57ADC9;
}

select{
    width: 300px;
    height: 80px;
    display: inline-block;
    margin:20px;
    font-size: 20px;
    border-radius:3px;
    border-color: #474747;
    background-color: #d1f5fd;
    color: #000000;
    box-shadow:inset 0 0 4px #57ADC9;
}

/*Gestaltung der Buttons*/
.button{
    width: 170px;
    height: 80px;
    display: inline-block;
    margin:20px;
    text-decoration:none;
    font-size:18px;
    border-radius:3px;
    border-color: #474747;
    background-color:#4DFBFF;
    color:#000000;
    box-shadow:inset 0 0 4px #57ADC9;
}
.button:hover{
    box-shadow:inset 0 0 4px #4faee8;
    text-shadow:0 0 5px #BDE3EF;
    color:#000;
    background-color: #0d91c9;
}
.button.pressed_self,
.button.pressed_opp {
    -webkit-transition: background-color 1000ms linear;
    -ms-transition: background-color 1000ms linear;
    transition: background-color 1000ms linear;
}
.button.pressed_self {
    background-color: #0d91c9;
}
.button.pressed_opp {
    background-color: #adb1c9;
}

/*Startpage Ausrichtung*/
.startpage_grid{
    display: grid;
    grid-template-columns: 2fr 7fr 5fr;
    justify-items: center;
}

/*Gestaltung der Tabelle für die Rating-Anzeige*/
table{
    display: flex;
    justify-content: center;
}

#table_rating{
    width: 100%;
    border-collapse: collapse;
}
    .column_rating_1{
        width: 25%;
        border: 1px solid black;
        text-align: center;
    }
    .column_rating_2{
        padding-left: 3%;
        width: 45%;
        text-align: left;
        border: 1px solid black;
    }
    .column_rating_3{
        width: 30%;
        border: 1px solid black;
        text-align: center;
    }

/*Radio-Buttons für die Frage-einreichen-Seite*/
.radio_buttons{
    accent-color: #4DFBFF;
}
.radio_buttons:hover{
    accent-color: #0d91c9;
}

/*Modulauswahl*/
.modul_button_grid {
    display: grid;
    grid-template-rows: 100px 100px;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    justify-items: center;

}

/*Single- und Multiplayer*/
.quiz_grid{
    display: grid;
    grid-template-columns: 3fr 1fr;
    justify-items: center;
    align-items: center;
}
.quiz_grid_head{
    justify-items: center;
    align-items: center;
    grid-column-start: 1;
    grid-column-end: 3;
}

.quiz_grid_questions{
    align-items: start;
}

.button.button_answer {
    width: auto;
    height: auto;
}

.button.startpage {
    text-align: center;
}

/*Erweiterungen für den Multiplayer*/
.add_multi{
    grid-template-columns: 6fr 1fr 1fr;
    justify-items: center;
    align-items: center;
}
.add_multi_head {
    grid-column-end: 4;
}

/*Validierung der Fragen*/
.question_validation {
    margin: 10px auto;
    padding: 10px;
    border: 2px solid black;
    width: 75%;
    max-width: 768px;
    list-style-type: none;
}
.question_validation_head {
    margin-top: 20px;
    font-weight: bold;
    font-size: 1.12em;
    background-color: rgb(227, 251, 255);
}
.question_validation > div {
    float:right;
}
.question_validation > p.question {
    float:left;
    font-weight: bold;
    margin-top: 0;
}
.question_validation > p.answer_1 {
    clear: both;
}