body {
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: rgb(83, 71, 83);
    font-family: Arial, Helvetica, sans-serif;
}

.bigBox {
    background-attachment: fixed;
    background-image: url(horrorDog.png); 
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
    height: 100vh;
    text-align: center;
    display: flex;
    justify-content: center;
    flex-direction: row;
}

.outputBox {
    text-align: center;
    margin-top: 12%;
    position: relative;
}

.outputNumber {
    background-color: rgba(0, 0, 0, 0.368);
    padding: 10px;
    position: absolute;
    bottom: 0;
    color: white;
    font-size: 30px;
    text-shadow: 5px 10px 20px rgba(255, 0, 0, 0);
}

input {
    font-size: 20px;
}

button {
    font-size: 20px;
    background-color: rgb(255, 255, 255);
}

@media screen and (max-width: 1280px) {

    .bigBox {
        background-attachment: fixed;
        background-image: url(horrorDog.png); 
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        height: 100vh;
        text-align: center;
        display: flex;
        justify-content: center;
    }

    .outputBox {
        text-align: center;
        margin-top: 15%;
    }

}

@media screen and (max-width: 1100px) {

    .bigBox {
        background-attachment: fixed;
        background-image: url(horrorDog.png); 
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        height: 100vh;
        text-align: center;
        display: flex;
        justify-content: center;
    }

    .outputBox {
        text-align: center;
        margin-top: 35%;
    }

}

@media screen and (max-width: 850px) {

    .bigBox {
        background-attachment: fixed;
        background-image: url(horrorDog.png); 
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        height: 100vh;
        text-align: center;
        display: flex;
        justify-content: center;
    }

    .outputBox {
        text-align: center;
        margin-top: 35%;
    }

}

@media screen and (max-width: 768px) {

    .bigBox {
        background-attachment: fixed;
        background-image: url(horrorDog.png); 
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        height: 100vh;
        text-align: center;
        display: flex;
        justify-content: center;
    }

    .outputBox {
        text-align: center;
        margin-top: 50%;
    }

}

@media screen and (max-width: 350px) {

    .bigBox {
        background-attachment: fixed;
        background-image: url(horrorDog.png); 
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        overflow: hidden;
        height: 100vh;
        text-align: center;
        display: flex;
        justify-content: center;
    }

    .outputBox {
        text-align: center;
        margin-top: 60%;
    }

}