body {
    margin: 0;
    padding: 0;
    background-color: white;
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
    height: 100vh;
    font-family: 'Kiwi Maru', serif;
    text-wrap: balance;
}

.main {
    width: 90vmin;
    margin: 0 auto;
}

.title {
    color: black;
    font-weight: 400;
    font-size: 5vmin;
    text-align: center;
}

.description {
    color: black;
    font-weight: 300;
    font-size: 2vmin;
    text-align: center;
}

input {
    text-align: center;
    margin: 0 auto;
    width: 30vmin;
    height: 5vmin;
    font-size: 2vmin;
    font-family: 'Kiwi Maru', serif;
    border: 0.2vmin black solid;
    border-radius: 1vmin;
    box-sizing: border-box;
}

.input {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
    flex-flow: column;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

a {
    cursor: pointer;
}

.button {
    color: black;
    border: 0.2vmin black solid;
    margin: 1vmin;
    border-radius: 1vmin;
    width: 30vmin;
    height: 5vmin;
    text-align: center;
    line-height: 5vmin;
    font-size: 2vmin;
    box-sizing: border-box
}

.buttonshort {
    color: black;
    border: 0.2vmin black solid;
    margin: 1vmin;
    border-radius: 1vmin;
    width: 14vmin;
    height: 5vmin;
    text-align: center;
    line-height: 5vmin;
    font-size: 2vmin;
    box-sizing: border-box;
}

#array {
    font-size: 3vmin;
    text-align: center;
}

.horizontal {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-align-items: center;
    align-items: center;
}

#addition {
    color: #007FC4;
    border: 0.2vmin #007FC4 solid;
}

#multiplication {
    color: black;
    border: 0.2vmin black solid;
}