body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    display: flex;
    justify-content: center;
}
.blog {
    width: 275mm;
    height: 365mm;
}
.head {
    display: block;
    text-align: center;
    background-color: rgb(0, 155, 0);
    color: white;
    padding: 5px;
    padding-bottom: 5px;
}
.grey {
    background-color: rgb(231, 231, 231);
    padding: 5px;
}
.navigation {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    background-color: rgb(0, 155, 0);
    padding: 10px;
}
.navigation a {
    color: white;
    text-decoration: none;
    border: 3px solid white;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
}
.blog-body>div {
    padding-left: 30px;
}
a {
    color: white;
    text-decoration: none;
}
hr {
    color: rgb(79, 184, 79);
    border: 1px solid rgb(0, 155, 0);
}
h2 {
    color: rgb(0, 155, 0);
}
h3 {
    color: rgb(0, 155, 0);
}
p {
    line-height: 25px;
}
.blog-footer {
    background-color: green;
    color: white;
    text-align: center;
    font-weight: bold;
    padding: 8px;
}