body {
    background-color: rgb(192, 227, 215);
    margin: 0px;
    padding: 0px;
    font-family: Verdana, Geneva, Tahoma, sans-serif;    
}

header {
    background-color: white;
    border: 2px solid black;
}

ul {
    margin: 0px;
}



li {
    display: inline;
}

form#signup {
    width: 50%;
    height: 100px;
    background-color: rgb(157, 99, 99);
    margin: auto;
}