/* icone instragram */
.lista-redes .icon-instagram {
    background: transparent;
    background: -webkit-linear-gradient(305deg,transparent 10%,transparent 70%) no-repeat;
    background: linear-gradient(145deg,transparent 10%,transparent 70%) no-repeat;
    background: url("https://cdn.awsli.com.br/1641/1641009/arquivos/630bdd67724dd9bceb57ec85e767d8ac.png") center center no-repeat;
    background-size: 32px 32px;
    color: transparent;
}

.icon-instagram:before {
    content: none;
}