*{
    box-sizing: border-box;
}
body{
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
    padding: 0px;
}

header{
    background-color: rgb(0, 118, 255);
    color: white;
}

header nav ul{
    margin: 0px;
    padding: 0px;
    list-style: none;
    text-align: center;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    font-size: 2em;
}

header nav ul li{
    display: inline-block;
    margin-top: 6px;
    margin-bottom: 6px;
}
header nav ul li a{
    color: white;
    display: inline-block;
    text-decoration: none;
}

main{
    background-color: white;
}

main form{
    background-color: rgb(235, 235, 235);
    margin: 10px;
    padding: 10px;
    border-radius: 10px;
}

main form input, main form textarea{
    border: 1px solid gray;
    font-size: 0.9em;
    width: 100%;
    margin-top: 6px;
    padding: 5px;
}

main form textarea{
    height: 60px;
}

main form input[type="submit"]{
    background-color: rgb(0, 118, 255);
    color: white;
    padding: 10px;
    border: 0px;
    margin: 10px;
    width: 30%;
    display: inline-block;
}