.grid-container {
    display: grid;
    grid-template-areas:
        "header header header"
        "nav nav nav"
        "main main main"
        "footer footer footer";
    grid-gap: 10px;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    width: 100%;
}

.header {
    grid-area: header;
    background-color: #333;
    color: black;
    text-align: center;
    padding: 30px;
    font-size: 36px;
    background-color: yellow;
    width: 98%
}

.nav {
    width: 100vw;
    background-color: lightblue;
    overflow: auto;
}

.nav a {
    float: left;
    padding: 14px;
    color: black;
    text-decoration: none;
    font-size: 17px;
    width: 18%;
    text-align: center;
}

.nav a:hover {
    background-color: #000;
}

.nav a.active {
    background-color: lightyellow;
}

@media screen and (max-width: 500px) {
    .nav a {
        float: none;
        display: block;
        width: 100%;
        text-align: left;
    }
}

.main {
    grid-area: main;
    background-color: #B0DAFF;
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(5, auto);
    grid-gap: 10px;
    justify-items: center;
    width: 100%;
}

.main label,
.main input,
.main textarea {
    width: 100%;
    box-sizing: border-box;
}

.main textarea {
    height: 200px;
}

.footer {
    grid-area: footer;
    background-color: #146C94;
    color: white;
    text-align: center;
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
}

.footer p {
    margin: 0;
}

.footer img {
    max-width: 100%;
}

#right {
    text-align: right;
}