.po-pizarra-contenedor {
max-width: 100%;
margin: 20px auto;
text-align: center;
font-family: sans-serif;
}
#pizarraOnline {
background-color: #ffffff;
border: 2px solid #333333;
box-shadow: 0 4px 10px rgba(0,0,0,0.1);
cursor: crosshair;
display: block;
max-width: 100%;
height: auto;
margin: 0 auto 15px auto;
}
.po-pizarra-controles {
margin-top: 10px;
}
.po-btn {
background-color: #333333;
color: #ffffff;
border: none;
padding: 10px 20px;
font-size: 14px;
cursor: pointer;
border-radius: 4px;
transition: background 0.2s ease;
}
.po-btn:hover {
background-color: #555555;
}