* {
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

body {
    font-weight: bold;
    background-color: cornflowerblue;
    color: #000;
}

header {
    background-color: wheat;
    color: #000;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    padding: 20px; 
    box-shadow: 1px 2px 3px rgba(0, 0, 0, 0.493);
}

header table {
    margin-left: auto;
    margin-right: auto;
}

header table th, tr, td {
    border: 1px solid #000;
    border-radius: 3px;
}

main {
    width: 400px;
    padding: 20px;
    background-color: wheat;
    border-radius: 8px;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-right: auto;
    margin-left: auto;
    box-shadow: 5px 5px 5px #000;
}

main form {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

input[type="button"] {
    cursor: pointer;
}

main form table th, main form table td {
    padding: 10px; 
    border: 1px solid #000;
    border-radius: 3px;
}

footer{
    background-color: wheat;
    padding: 5%;
    text-align: center;
    box-shadow: 5px 5px 5px #000;
   border-bottom-left-radius: 5px;
   border-bottom-right-radius: 5px;
   border-top-left-radius: 5px;
   border-top-right-radius: 5px;
}