body{
font-family:Arial;
background-color: var(--fhemig);
text-align:center;
}

:root {
    --amarelo: yellow;
    --branco: white;
    --preto: black;
    --fhemig: #0096bb;

}

.container{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
padding:40px;
}

a{
background:white;
padding:25px;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
text-decoration:none;
color:black;
font-weight:bold;
}

.botao-voltar{
position:fixed;
top:20px;
left:20px;

background:#374151;
color:white;
padding:10px 20px;
border-radius:8px;
text-decoration:none;
font-weight:bold;

box-shadow:0 4px 10px rgba(0,0,0,0.2);
transition:0.2s;
}

.botao-voltar:hover{
background:#1f2937;
transform:scale(1.05);
}