/* basic style */
* {
    font-family: sans-serif;
    color: gray;
}

h1, h2, h3, h4, h5, h6 {
    color: darkcyan;
}

button {
    border-radius: 4px;
    border: none;
    background: gray;
    color: white;
}

button:active {
    color: silver;
}

div.wrapper {
    width: 1000px;
    margin: 64px auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    box-shadow: 0 0 16px 4px lightgray;
    border-radius: 16px;
}

header {
    height: 64px;
    padding: 16px;
    border-bottom: dotted thin gray;
}

main {
    min-height: 520px;
    padding: 16px;
}

footer {
    padding: 16px 0 0 0;
    border-top: dotted thin gray;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
}

footer span {
    text-align: center;
}

/* header */
header a {
    height: 100%;
    text-decoration: none;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

header div {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

header h1 {
    font-size: 2em;
    margin: 0 0;
    color: gray;
}

header h2 {
    font-size: 1em;
    color: silver;
    margin: 8px 0 0 0;
}

header img {
    height: 60px;
}


/* main */
span.highlight {
    color: red;
}


/* footer */
footer a {
    text-decoration: none;
}


/* license */
ul.license {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

ul.license li {
    font-size: 1.4em;
    margin: 16px;
    list-style-type: none;
}

ul.license a {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

ul.license img {
    width: 80px;
    margin: 4px;
    border-radius: 8px;
}

form.license {
    width: 520px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

form.license label {
    font-size: 1em;
}

form.license input {
    width: 240px;
    height: 24px;
    margin: 4px 0;
    font-size: 1em;
}

form.license textarea {
    width: 500px;
    height: 240px;
    margin: 0;
    font-size: 1em;
}

form.license button[type = submit] {
    margin: 8px;
    font-size: 1.6em;
}