.loading-indicator 
{
height: 80px;
width: 80px;
background: url( 'https://cliente.cartoesrendimento.com.br/imagens/default/ajax-loader.gif' );
background-repeat: no-repeat;
background-position: center center;
}

.loading-indicator-overlay 
{
background-color: #FFFFFF;
opacity: 0.6;
filter: alpha(opacity = 60);
}