*{
    font-family: "Poppins", sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
   background-color: #001e4d;
  
}
.app{
    background-color: #fff;
    width: 90%;
    max-width: 600px;
    padding: 30px;
    margin: 100px auto;
    border-radius: 10px;
    border: none;  
    position: relative;
}
.app h1{
    font-size: 25px;
    font-weight: 600;
    color: #001e4d ;
    border-bottom: 1px solid #333;
    padding-bottom: 5px;
}
.quiz{
    padding: 20px 0;
}
.quiz h2,h2{
font-size: 18px;
color: #001e4d;
font-weight: 600;
padding-top: 25px;
}
.btn{
background-color: #fff;
color: #222;
font-weight: 500;
width: 100%;
border: 1px solid #222;
padding: 10px ;
margin: 10px 0;
text-align: left;
border-radius: 4px;
cursor: pointer;
transition: all 0.2s;
}
.btn:hover:not([disabled]){
    background-color: #222 ;
    color: #fff;
}
.btn:disabled{
    cursor :no-drop;
} 

#zurück-btn{
    background-color: #001e4d;
    color: #fff;
    font-weight: 500;
    width: 150px;
    padding: 10px;
    margin: 20px auto 0;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    display: none;
    }

#zurück-btn:hover{
    background-color: #0056b3;
    }
        
#next-btn{
background-color: #001e4d;
color: #fff;
font-weight: 500;
width: 150px;
padding: 10px;
margin: 20px auto 0;
border-radius: 5px;
border: none;
cursor: pointer;
display: none;
}

#next-btn:hover{
    background-color: #0056b3;
}
.correct{
    background-color: #28a745;
    color: #fff;
}
.incorrect{
    background-color: #dc3545;
    color: #fff;
}
#timerContainer{
    height: 50px;
    width: 150px;
    top: 20px;
    right: 50px;
    background-color:#001e4d;
    color: #fff;
    border-radius: 5px;
    position: absolute;
    font-size: 20px;
    display: none;
   justify-content: center;
   align-items: center;
}
#timerContainer h1{
    font-size: 20px;
    display: inline-block;
    text-align: center;
    position:relative;
    color: #fff;
}
/*Themenauswahl*/
#theme-selection {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    justify-content: center;
}
#theme-selection .btn {
    width: 200px;
}