nav > ul > li{
    display: inline;
    margin-right: 15px;
}

nav li > a{
    text-decoration: none;
}
footer {
    text-align: center;margin-top: 30px;
}
article > footer > p > a{
    margin: 5px;
    display: inline;
    text-decoration: none;
}
.blogtag{
    font-size: xx-large;text-align: center;background-color: yellow ; color: red;
}