body {
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 100%;
    background-color: white;
    width: 750px;  
    margin: 0 auto;
    border: 3px solid blue;
    padding: 0 2em 1em;
}
h1 { 
    font-size: 150%;
    color: blue;
    margin-bottom: .5em;
}
label {
    float: left;
    width: 8em;
}
input, select { 
    width: 10em;
    margin-right: 1em;
    margin-bottom: 1em;
}
input[type=checkbox] { 
    width: 2em;
}
header p {
	margin: 0 2em 1em 0;
}
#new_game, #player, #high_score, #correct {
	float: left;
}
#cards img {
    height: 100px;
    width: 80px;
    padding-right: 5px;
    padding-bottom: 3px;
    float: left; 
}
.clear {
    clear: both;
}