* {
    font-family: sans-serif;
}

body {
    background-color: #8ac6e8;
    padding: 0;
    margin: 0;
}
header {
    background-color: #0056b8;
    padding: 2em
}

header .logo {
    height: 100px;
    margin: 0 auto;
    display: block;
    color: white;
}

header .brand {
    margin: 0 auto;
    width: fit-content;
    color: white;
}

nav {
    background-color: black;
}

nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}

nav li {
    flex-grow: 1;
    margin: auto auto;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 20px 10px;
    display: block;
    text-align: center;
}

nav a:hover {
    background-color: lightgrey;
    color: black;
}

#wrapper {
    background-color: white;
    padding: 2em;
    width: 80%;
    margin: 0 auto;
}

footer {
    height: 100px;
    width: 100%;
    background-color: black;
}

.card-container {
    display: flex;
    flex-wrap: wrap;
}

.card-container div {
    width: 100px;
    height: 100px;
    margin: 1em;
    text-align: center;
}

.card-container a {
    text-decoration: none;
    color: black;
    border: 3px solid black;
    margin: 1em;
    border-radius: 15px;
    transition: border-radius 0.125s;
}

.card-container div .title {
    padding-top: 10px;
}

.card-container div .arrow {
    display: none;
    font-weight: bolder;
    font-size: 50;
    margin: 0;
}

.card-container a:hover .arrow {
    display: block;
}

.card-container a:hover {
    border-radius: 0px;
}