body{
margin:0;
font-family:Arial, Helvetica, sans-serif;
background:#0b3d0b;
color:white;
text-align:center;
}

/* cabeçalho */

header{
background:#072807;
padding:20px;
}

/* menu */

.menu-topo ul{
list-style:none;
margin:10px 0 0 0;
padding:0;
display:flex;
justify-content:center;
gap:25px;
}

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

.menu-topo a:hover{
color:gold;
}

/* conteúdo */

main{
display:flex;
justify-content:center;
padding:60px 20px;
}

.container{
max-width:700px;
}

/* botão */

.botao{
display:inline-block;
margin-top:20px;
background:gold;
color:black;
padding:12px 20px;
border-radius:6px;
text-decoration:none;
font-weight:bold;
}

.botao:hover{
background:#ffd700;
}

/* rodapé */

footer{
background:#072807;
padding:20px;
margin-top:40px;
}