body {
margin: 20px auto; 
border: 0;
}

div {
align: center;
margin: 0 auto; 
width: 360px;
border: 0;
padding: 0 0.5em 0 0.5em;
font-size: 16px;
line-height: 18px;
text-align: left;
}

img.num {
max-width: 100%;
height: auto;
border-width: 0.1em;border-style: solid; border-color: #bbbbbb;
}

h1 {
margin: 0 auto; 
width: 360px;
font-size: 20px;
line-height: 45px;
text-align: center;
border-top: thick #cccccc solid;
border-right: 0;
border-bottom: thick #cccccc solid;
border-left: 0;
}

table.a {
  border: solid thin #cccccc;
} 

table.a td {
  border: solid thin #cccccc; text-align: center;
  width: 180px;
  height: 30px;
}