a.contents-link:link    {text-decoration: none; color: black; border-bottom: 1px solid black;}
a.contents-link:visited {text-decoration: none; color: black; border-bottom: 1px solid black;}
a.contents-link:hover   {text-decoration: none; color: black; border-bottom: 1px solid black;}
a.contents-link:active  {text-decoration: none; color: black; border-bottom: 1px solid white;}

body {
float: left;
width: 100%;
margin: 0px;
font-family: helvetica;
font-style: normal;
text-align: left;
color: black;
}

#page {
float: left;
box-sizing: border-box;
width: 100%;
}

.contents {
float: left;
box-sizing: border-box;
width: 100%;
padding: 20px 20px 20px 20px;
font-family: 'roboto', sans-serif;
font-size: 24px;
font-weight: 300;
}

.box {
float: left;
box-sizing: border-box;
width: 100%;
padding: 20px 20px 20px 20px;
border: 1px solid black;
}

.box-inside {
float: left;
box-sizing: border-box;
width: 100%;
padding: 20px 20px 20px 20px;
}