style.css

body {
    background-color: #F8F8F8;
    font-family: sans-serif;
}

.big-container {
    height: 100%;
    width: 100%;
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.container {
    border: 1 px solid black;
    background-color: white;
    display: flex;
    flex-direction: column;
    padding: 2rem;
    align-items: center;
    
}

input {
    padding: 0.5rem;
    width: 17rem;
    background-color: #F8F8F8;
    margin: 0.2rem;
}

.btn {
    width: 18rem;
    padding: 0.4rem;
    margin-top: 0.5rem;
    background-color: #b8ddfb;
    font-size: 0.8rem;
    color: white;
    font-weight: bold;
}

a {
    text-decoration: none;
}

footer {
    min-height: 10vh;
}

ul {
    list-style: none;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    
}

.footer {
    color: #2f5682;
    font-size: 0.8rem;
    font-weight: bold;
}