* {
    margin: 0;
    padding: 0;
    font-family: 'Poppins' sans-serif;
    box-sizing: border-box;
}

body {
    background: #001e4d;
}

.app {
    background: #fff;
    width: 90%;
    max-width: 600px;
    margin: 100 auto 0;
    border-radius: 10px;
    padding: 30px;
    margin-top: 100px;
    margin-left: 352px;

}

.app h1 {
    font-size: 30px;
    color: #001e4d;
    font-weight: 600;
    border-bottom: 1px solid #333;
    padding-bottom: 30px;
    
}

.quiz {
    padding: 20px 0;
}

.quiz h2 {
    font-size: 18px;
    color: #001e4d;
    font-weight: 600;
}

.btn {
    background: #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 0.3s;
}

.btn:hover {
    background: #222;
    color: #fff;
}

#nextbutton {
    background: #001e4d;
    color: #fff;
    font-weight: 500;
    width: 150px;
    border: 0;
    padding: 10px;
    margin: 20px auto 0;
    border-radius: 4px;
    cursor: pointer;
    display: block;
}
#startbutton {
    background:#001e4d;
    color:#ffffff;
    font-weight: 500;
    width: 150px;
    border: 0;
    padding: 10px;
    margin: 20px auto 0;
    border-radius: 8px;
    cursor: pointer;
    display: block;
    margin-top: 25px;
    font-size: 20px;
}
.Startpage{
        background: #fff;
    width: 90%;
    max-width: 600px;
    
    border-radius: 10px;
    padding: 30px;
    margin-top: 100px;
    margin-left: 352px;
    margin-top: 200px;
}
.Startpage h1{
   font-size: 30px;
    color: #001e4d;
    font-weight: 600;  
    text-align: center;
    
}