body {
    margin: 0 auto;
    max-width: 1000px;
    background: url(../images/back01.png) fixed;
}
header {
    padding: 3% 0;
}
header img {
    display: block;
    width: 100%;
}
ul {
    display: flex;
    padding: 0;
    margin: 0;
    list-style: none;
    background: rgb(40, 60, 40);
}
li {
    font-size: clamp(10px, 8px + 1vw, 18px);
    flex: 1;
    padding-top: 3px;
    text-align: center;
}
main {
    padding: 3% 0;
}
div {
    padding: 1rem;
    background-color: rgb(200, 255, 200);
    color: rgb(0, 50, 0);
}
h1 {
    text-align: center;
}
div a {
    color: rgb(255, 105, 180);
}
div p {
    font-size: 2rem;
}
footer {
    height: 50px;
    text-align: center;
    background: rgb(40, 60, 40);
}
footer img {
    vertical-align: bottom;
}
li a {
    text-decoration: none;
    color: greenyellow;
}
a:hover {
    opacity: 0.5;
}

/* @media (min-width: 768px) {
} */