body
{
 color: black;
 background-color: #A5A5A5;
}
.campo
{
 margin-bottom: 18px;	
}

.campo label
{
display:block;
margin-bottom:6px;
font-weight: 600px;	
}

.campo input
{
 width:100%;
 padding:8px;
box-sizing: border-box; 
}

input['disabled'],
input['readonly']
{
 background: #f2f2f2;
 color: #000;
 border: 1px solid #ccc; 
}

#contenedor
{
 width:100%;
 max-width:700px;
height: auto;
min-height:230px;
background-color: #ECEBEC; 
margin: 0 auto;
}

.btn-urgente { display: inline-block; margin-top: 1rem; background-color: #000000; color: white; padding: 1rem 2rem; border-radius: 8px; font-weight: bold; text-decoration: none; transition: background 0.6s; width: 100%; }
 
.btn-urgente:hover { background-color: grey; }