body{
    display: block;
    margin: auto;
    outline: 0;
    background-color: #333;
    font-family: 'poppins', sans-serif;
}

.container{
    max-width: 600px;
    margin: auto;
    display: block;
    justify-content: center;
    align-items: center;
    background-color: white;
    border-radius: 15px;
    padding: 20px;
    margin-top: 100px;
}

.btn{
    width: 600px;
    border: none;
    border: 1px solid #333;
    background-color: white;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 7px;
    text-align: left;
    cursor: pointer;
}

.btn:hover:not([disabled]){
    background-color: #333;
    color: white;
    transition: ease .3s;
}

.btn:disabled{
    color: black;
    cursor: no-drop;
}

.btn-next{
    display: block;
    margin-top:7px;
    width: auto;
    border: 1px solid #333;
    background-color: #333 ;
    color: white;
    padding: 15px 50px;
    margin: auto;
    transition: ease .3s;
    cursor: pointer;
}

.btn-next:hover{
    background-color: white;
    color: #333;
}

h1, h2, hr{
    color: #333;
}

.rightanswer{
    background-color: palegreen;
}

.wronganswer{
    background-color: red;

}