body {
    font-family: 'Roboto', sans-serif;
    padding-left: 75px;
    padding-right: 75px;
    background: url('https://images.unsplash.com/photo-1557682250-33bd709cbe85?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1015&q=80');
    background-repeat: no-repeat;
    background-size: cover;
    color: #fff;
}

#heading {
    font-size: 40px;
}

.input {
    display: flex;
    justify-content: center;
    flex-direction: column;
    padding-bottom: 15px;
}

#submit {
    width: 10%;
    margin-left: 45%;
    margin-right: 45%;
}

.output {
    display: flex;
    justify-content: center;
    flex-direction: row;
    padding-bottom: 15px;
}

table {
    margin-left: auto;
    margin-right: auto;
    width: 75%;
}

td {
    text-align: center;
    width: 33%;
}