* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

body {
    width: 100vw;
    height: 100vh;
    background-color: #f8e7af;
    display: grid;
    place-items: center;
}

form {
    background: #fab1a0;
    padding: 80px;
    width: 50%;
    margin: 100px auto;
    text-align: center;
    -webkit-box-shadow: 0 10px 6px -6px #777;
    -moz-box-shadow: 0 10px 6px -6px #777;
    box-shadow: 0 10px 6px -6px #777;
}

#tempCalc label {
    font-size: 30px;
}

#temp {
    border: none;
    padding: 10px;
    height: 40px;
    width: 100px;
    font-size: 20px;
    margin-top: 20px;
}

#temp_diff {
    height: 40px;
    border: none;
    margin-top: 20px;
    font-size: 15px;
    vertical-align: top;
}

[type="submit"] {
    height: 35px;
    margin: 20px;
    width: 100px;
    font-size: 15px;
    border: none;
    background: black;
    color: #fff;
}

#resultContainer {
    font-size: 35px;
}