/* NOTE: While validating, make sure you use CSS */
/* level 3 profile by accessing "More Options" */
body {
 	font-family: Arial, Helvetica, sans-serif;
} 

ol {
    list-style-type: none;
}
input {
    display: block;
    width: 15em;
    padding: .25em; /* help us see the arrows in <input type=number ...*/
    border-radius: .75em; /* makes our input elements with round borders */
}

input[type="submit"] {
    margin-top: 1em;                
    box-shadow: 1em 1em 1em silver; 
}

h1 {
    text-shadow: silver .125em .125em .125em;
}

header {
    border-bottom-style: double;
    border-bottom-width: .25em;
    margin-bottom: 1em;
}

footer {
    margin-top: 3em;
    border-top-style: double;
    border-top-width: .25em;
    border-bottom-style: double;
    border-bottom-width: .25em;
}

table {
    border-style: solid;
    text-align: center;
} 

/* Specifying table rows colors */
tr:nth-of-type(even) {
    background-color: silver;
} 

tr:nth-of-type(odd) {
    background-color: red;
}

tr:last-child {
    color: yellow;
}

a:link {
    color: red;
}

a:visited {
    color: gray;
}