@import url('https://fonts.googleapis.com/css2?family=Acme&display=swap');

.center{
text-align: center;
}
hr{
    width: 600px;
    margin: 0.7rem;
}
body{
    background-color: #D1FAE5; 
    font-family: 'Acme', sans-serif;
}
main{
    width: 650px;
    margin: auto;
   
}
button{
    margin: 5px;
    background-color: white;
    border-radius: 0.3rem;
    padding: 5px;
    cursor: pointer;
}
/* main-buttons */
.main-button{
    box-shadow: 1px 1px 8px;
    padding: 7px;
}

/* sub-buttons */
/* input */
input[type=Number]{
    width: 250px;
    height: 30px;
    margin: 6px;
}
/* label */
/* message */
#message{
    font-size: 20px;
}
#btn-submit-quiz{
    position: relative;
    left: 20px;
    padding: 8px;
}