* {
    font-family: 'Segoe UI', Tahoma;
}

body {
    margin: 0;
    display: flex;
    flex-direction: column;
}

#header {
    display: flex;
}

header:nth-of-type(1) {
    width: 40%;
}

header:nth-of-type(2) {
    width: 60%;
    justify-items: right;
}

ul {
    list-style-type: none;
}

li {
    display: inline;
}

a {
    text-decoration: none;
    color: #0077a2;
}

li a {
    padding: 1em;
}

h1 {
    text-align: center;
}

img {
    width: 20em;
    margin: 1em;
}

img:hover {
    outline: 3px dashed #e30613;
}