#caixa-principal{
background-color: DarkBlue;
border-radius: 15px;
}

.box{
text-align: center;
color: white;
font-size: 50px;
font-family: "Arial";
text-shadow: 1px 1px 1px white;
margin: 0;
border-radius: 15px;
}

.box-0{
background-color: CornflowerBlue;
border-radius: 15px;
height: 300px;
margin: 0;
}

.box-1{
background-color: DarkBlue;
text-align: center;
height: 200px;
margin: 0;
border-radius: 15px;
}

.imagem{
position: relative;
top: 0px;
right: 0px;
}

.fonte{
text-align: center;
font-size: 18px;
font-family: "Arial";
}

.centralizar{
text-align: center;
font-size: 20px;
margin-top: 0;
}

.sublinhado{
text-decoration: none;
color: white;
}
.menu{
font-size: 24px;
}

a:link, a:visited, a:active {
text-decoration:none;
}
a:hover {
text-decoration: underline; 
color:#000; 
background:#ff0; 
}