* {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    color: whitesmoke;
}

body {
    background-color: #003366;
}

.container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 2px 2px 10px 4px grey;
    border-radius: 5px;
    background-image: url(temp.jpg);
    background-size: cover;
}

.container form {
    height: 400px;
    width: 350px;
    text-align: center;
}

h1 {
    font-size: 35px;
}

#textBox {
    margin: 15px 0px;
    width: 40%;
    padding: 1.5%;
    font-size: 17px;
    text-align: center;
    border-radius: 5px;
    color: black;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.toFahrenheit,
.toCelsius {
    font-size: 140%;
}

button {
    margin: 20px 0px;
    padding: 5px 15px;
    font-size: 110%;
    border: 2px solid blue;
    background-color: blue;

    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: white;
    color: blue;
}

#result {
    font-size: 140%;
}