*,
*::before,
*::after {
  box-sizing: border-box;
}

button {
    display: block;
}

.container {
    padding: 20px;
    max-width: 300px;
    margin: auto;
    margin-top: 100px;
    user-select: none;
}

#start-button {

}

ul {
    list-style-type: none;
}

#question{
    text-align: center;
}
 
#quiz {
    visibility: hidden;
}

#initials {
    visibility: hidden;
}

.btn-group-vertical > button {
    text-align: center;
    display: block;
    margin-bottom: 5px;
}