Origem: Wikipédia, a enciclopédia livre.
.header_image { padding:1em 0; }
.header_image img { max-width:100%; height: auto; }
.header_menu {
display:flex;
justify-content:space-between;
flex-wrap:wrap;
gap:1em;
text-align:center;
font-size:1.25em
}
.header_menu a {
border-bottom:0.4em solid #4B52D1;
padding:1em;
flex:1 0 auto
}
.header_menu a:hover {
background-color:#f6f6f6;
border-bottom: 0.4em solid #4B52D1;
text-decoration: none;
color: #000000;
}
.content-block { padding: 1em; }
@media screen and (max-width: 600px) {
.header_menu a { padding: 0.4em !important; }
.content-block { padding: 0 0.4em !important; }
}