H1{font-size:30px;}
H2{font-size:24px;}
H3{font-size:20px;}
H4{font-size:18px;}
TH{font-size:16px;}
TD{font-size:16px;line-height:2.0em;height:200%;}
a{font-size:16px;color:blue;}
p{font-size:16px;}
A{hover{color:blue;}
table{border-color:blue;border-soze:0;cellspacing:2;cellpadding:4;}
tr{border-color:blue;height:200%;}
img{border:0px;}
hr{color:green;align:center;size:1.5;}
div{font-size:16px;}
.sample-200 {
	height:200%;
    line-height: 200%;
    width: 100%;
    padding: 5px;
    border: 0px solid gray;
    margin-bottom: 1em;
}
<style>
.table-fixed{table-layout:fixed;}
body{margin:0;padding:0;line-height:1.8em;max-width:800px;}
body.yellow_gradation{background:linear-gradient(to right, #ffffff, #ffffff, #ffffff, #ffffff, #ffffff);}
#headline h1{font-weight:150;font-size:60px;line-height:1.8em;margin-bottom:0;}
@media screen and (min-device-width:0px) and (max-device-width:480px){div#sidebar{width:320px;}
}
@media screen and (min-device-width:481px) and (max-device-width:800px){div#sidebar{width:480px;}
}
@media screen and (min-device-width:801px){div#sidebar{width:960px;}
}
.width{max-width:960px;}


</style>