.wgn-box{

max-width:700px;
margin:auto;
text-align:center;
padding:30px;
background:#fafafa;
border:1px solid #ddd;
border-radius:10px;

}

.logo{

width:200px;
margin-bottom:20px;

}

.caixa{

width:260px;
height:160px;
margin:auto;
background:#d4af37;
border-radius:8px;
position:relative;

}

.tampa{

width:100%;
height:60px;
background:#caa12f;
position:absolute;
top:0;
left:0;
transition:transform 0.6s;

}

.caixa.aberta .tampa{

transform:rotateX(120deg);

}

.papel{

position:absolute;
bottom:10px;
left:10px;
right:10px;
background:#fff8dc;
padding:10px;
border-radius:6px;

}

.btn{

margin:5px;
padding:10px 15px;
border:none;
background:#333;
color:#fff;
border-radius:5px;
cursor:pointer;

}