.app-icon {
    background-image: url(logo_cerca_blanco2.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    background-color: #309FDB;
}

.app-icon-incucai {
    background-image: url(logo-cerca-azul.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    background-color:rgba(127, 255, 212, 0);
}