body {
margin: 0;
font-family: Arial, sans-serif;
background: #f4f6f8;
}

.top {
background: #1a237e;
color: white;
text-align: center;
padding: 15px;
font-size: 26px;
}

.tag {
font-size: 14px;
margin-top: 5px;
}

.menu {
background: #0d47a1;
padding: 10px;
text-align: center;
}

.menu a {
color: white;
text-decoration: none;
margin: 10px;
font-weight: bold;
}

.box {
background: white;
margin: 15px;
padding: 15px;
border-radius: 6px;
}

.ad {
margin: 15px;
padding: 20px;
background: #ddd;
text-align: center;
}

.foot {
text-align: center;
padding: 15px;
font-size: 14px;
}

.part {
padding: 12px;
margin: 6px;
background: #90caf9;
border-radius: 6px;
text-align: center;
cursor: pointer;
font-weight: bold;
}