styles.css

body {
    background-color: #E1E4E6;
    font-family: 'Montserrat', sans-serif, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

main {
    margin: auto;
    width: 60%;
    text-align: center;
}

section {
    margin-bottom: 60px;
}

h1 {
    font-size: 2em;
    margin-bottom: 10px;
    color: white;
}

input {
    display: block;
    margin: 10px auto;
    width: 250px;
    height: 20px;
    border-radius: 4px;
    border: 4px solid #0B2456;
    font-family: inherit;
    font-size: 1em;
    padding: 10px;
}

button {
    padding: 10px 20px;
    border-radius: 5px;
    border: 4px solid #509236;
    background-color: #81E45A;
    font-family: inherit;
    font-size: 1em;
    margin: 10px;
}

div {
    border-radius: 10px;
    border: 20px;
    background-color: #164399; 
    padding-top: 1px;
}

button:hover {
    color: #81E45A;
    background-color: #509236;
}

.red {
    color:orangered;
}

.green {
    color: greenyellow;
}