*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
body{
    background: #5656cfd1;
}
.app{
    background: #d79393;
    width: 90%;
    max-width: 450px;
    margin: 100px auto;
    padding: 30px 40px;
    border-radius: 10px;
}

.app h1{
    font-size: 30px;
    color: #001e4d;
    font-weight: 600;
    border-bottom: 1px solid #333;
    padding-bottom: 30px;
}
.quiz{
    font-size: 20px;
    color: #001e4d;
    font-weight: 600;
}
.btn{
    background: #fff;
    color: #001e4d;
    font-weight: 500;
    width: 100%;
    border: 1px solid #001e4d;
    padding: 10px 0;
    margin: 10px 0;
    text-align: left;
    border-radius: 4px;
    cursor: pointer;
}
.btn:hover:not([disabled]){
    background: #001e4d;
    color: #fff;
}
.btn:disabled{
    cursor: no-drop;
}

#next-btn{
    background: #001e4d;
    color: #fff;
    font-weight: 500;
    width: 100%;
    border: none;
    padding: 10px 0;
    margin: 20px 0 0 0;
    border-radius: 4px;
    cursor: pointer;
    display: none;
}

.correct{
    background: #9aeabc;
}
.incorrect{
    background: #ff9393;
}