/* General Styles */

body {
    font-family: Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
}
h1 {
	margin: 2em 0 2em; 
    text-align: center;
    font-size: 2.5em;
    letter-spacing: -0.05em;
    }
table,th,td {
    border: 0;
    font-family: monospace;
}
table {
	width: 100%;
    margin: 0 auto;
}
tbody tr:first-child td {
	border-top: 2px solid #e9e9e9;	
	}
tbody tr td:first-child {
	border-left: 0;
	padding-left: 2%;   
    text-align: left;
	}
tbody td {
    border-left: 1px solid #e9e9e9;
    border-bottom: 1px solid #e9e9e9;
    padding: 5px; 
    text-align: center;
}
.os { border-left: 2px solid #e9e9e9; }

table tr:nth-child(even) td:first-child {
	background: #f7f7f7;
}