#centro {
    width: 400px;
	height: 300px;
    margin: auto;
	margin-top: 180px;
	background-color: rgba(255,255,255,0.9);
	text-align: center;
	font-family: sans-serif;
	opacity: 0.9;
}

.boton_personalizado{
	width:300px;
    text-decoration: none;
    padding: 10px;
    font-weight: 600;
    font-size: 20px;
    color: #ffffff;
    background-color: #1883ba;
    border-radius: 6px;
    border: 2px solid #0016b0;
  }
  
.boton_personalizado:hover{
    opacity: 0.6;
}