* {
    padding: 0;
    margin: 0;
}

header {
    height: 80px;
    background-color: rgb(216, 244, 150);
}

header h1 {
    text-align: center;
    font-family: Helvetica;
    font-size: 40px;
    padding-top: 17px;
}

nav ul {
    display: flex;
    background-color: gray;
    height: 30px;
    justify-content: space-between;
    align-items: center;
    list-style-type: none;
    padding: 0 20px;
}

nav ul li a {
    text-decoration: none;
    font-family: Helvetica;
    text-transform: uppercase;
    color: rgb(255, 255, 255);
    font-weight: normal;
    text-shadow: none;
}

nav ul li {
    font-family: Helvetica;
    text-transform: uppercase;
    font-weight: bold;
    color: white;
    text-shadow: 1px 1px 15px white;
}

main {
    background-color: rgb(228, 251, 202);
    min-height: calc(100vh - 80px - 40px - 40px);
    padding: 0px 20px 40px 20px;
}

footer {
    height: 35px;
    background-color: gray;
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
}

footer p {
    text-align: center;
    padding-top: 10px;
}

table {
    width: 100%;
}

table,
tr,
td {
    border-collapse: collapse;
    border: 3px solid blue;
}

h2{
    margin-bottom: 5px;
}

h2{
    font-size: 15px;
}

h3{
    margin-bottom: 5px;
}

h3{
    font-size: 15px;
}

h3{
    margin-top: 7px;
}

h4{
    margin-bottom: 5px;
}

h4{
    font-size: 15px;
}

h4{
    margin-top: 7px;
}

h5{
    margin-bottom: 5px;
}

h5{
    font-size: 15px;
}

h5{
    margin-top: 7px;
}

h6{
    margin-bottom: 5px;
}

h6{
    font-size: 15px;
}

h6{
    margin-top: 7px;
}

h1 {
    text-align: center;
}

form {
    width: 500px;
    margin: 0px auto;
    background-color: #EEE;
    font-family: Arial, Helvetica, sans-serif;
    color: #09C;
}

form div {
    margin: 10px 0px;
}

form fieldset {
    border-radius: 10px;
}