.list-product {
    margin-top: 20px;
    list-style: none;
    padding-left: 30px;
    background: url('../img/favicon.png') no-repeat left center;
    background-size: 20px 20px;
}
.list-about {
    margin-top: 20px;
    list-style: none;
    padding-left: 30px;
    background: url('../img/favicon.png') no-repeat left center;
    background-size: 20px 20px;
}
.list-services {
    list-style: none;
    padding-left: 30px;
    background: url('../img/favicon.png') no-repeat left center;
    background-size: 20px 20px;
}