body {
    margin: 0 auto;
    max-width: 1000px;
    background-color: rgb(60, 100, 0);
}
header {
    margin: 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, 2vw, 18px);
    flex: 1;
    padding-top: 3px;
    text-align: center;
}
li a {
    text-decoration: none;
    color: greenyellow;
}
a:hover {
    opacity: 0.5;
    transition: 0.5s;
}
.mainimg {
    width: 100%;
    margin-top: 3%;
    vertical-align: bottom;
}
.base {
    position: relative;
}
.sentence {
    width: 92%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.sentence p {
    margin: 0.5rem 0;
    font-size: clamp(15px, 3.5vw, 38px);
    color: rgb(0, 50, 25);
}

footer {
    position: relative;
    margin-top: 3%;
    height: 50px;
    background: rgb(40, 60, 40);
}
footer a {
    position: absolute;
    left: calc(50% - 25px);
}
footer img {
    position: fixed;
    bottom: 0;
    opacity: 0.7;
}

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