body,
html {
    background-color: #f5f5f5;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1em;
    height: 100%;
    margin: 0;
}

h1 {
    font-size: 2em;
    font-weight: 500;
}

h2 {
    font-size: 1.6em;
    font-weight: 500;
    margin: 0;
}

i {
    color: #8b008b;
}

.card {
    height: auto;
}

.card-header {
    background-color: #eee8aa;
}

.up {
    text-align: center;
    margin-top: 20px;
}