@media screen and (min-width:768px) {
    body {
        background: url("background.jpg");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: top;
        padding-top: 5%;
    }
    .form-signin {
        margin-top: 5vh;
    }
    #title {
        font-size: 10vw;
    }
}

@media screen and (max-width:767px) {
    body {
        padding-top: 30px;
        background-color: rgba(246, 208, 189, 0.7);
    }
    .form-signin {
        margin-top: 3vh;
    }
    #title {
        font-size: 15vw;
    }
}

body {
    font-family: 'Rubik', sans-serif;
}

#title {
    font-weight: bold;
    text-align: center;
    color: rgb(67, 93, 230);
    font-family: 'VT323', monospace;
    letter-spacing: 4px;
}

input {
    margin-bottom: 15px;
}

button {
    margin-top: 15px;
}

.form-signin .form-control {
    height: 50px;
    font-size: 20px;
}

.error-message, .correct-message, .success-message {
    font-size: 22px;
    text-align: center;
    color: red;
    margin-top: 15px;
    font-weight: bold;
}

.correct-message, .success-message {
    color: green;
}

#question {
    font-weight: bold;
    letter-spacing: 3px;
    text-align: center;
}

#score {
    margin-top: 10%;
    text-align: center;
    font-weight: bold;
}