.footer {
    margin-top: 0 !important;
}

.customers {
    margin-top: 4vw;
}

    .customers-list {
        width: 100%;
        margin: 0;
        padding: 0;
        columns: 3;
        list-style: none;
    }

        .customers-list-item {
            width: 100%;
            height: 7vw;
            margin-bottom: 2vw;
            text-align: center;
        }

            .customer {
                padding-left: 80%; 
                padding-bottom: 7vw;
                background-repeat: no-repeat;
                background-size: contain;
                background-position: center;
            }

                .astor {
                    background-image: url(../img/costumers/astor.png);
                }

                .enviro {
                    background-image: url(../img/costumers/enviro.png);
                }

                .gero {
                    background-image: url(../img/costumers/gero.png);
                }

                .jacobs {
                    background-image: url(../img/costumers/jacobs.png);
                }

                .kem {
                    background-image: url(../img/costumers/kem.png);
                }

                .mw {
                    background-image: url(../img/costumers/mw.png);
                }

                .nestle {
                    background-image: url(../img/costumers/nestle.png);
                }

                .novartis {
                    background-image: url(../img/costumers/novartis.png);
                }

                .ural {
                    background-image: url(../img/costumers/ural.png);
                }

                .vertex {
                    background-image: url(../img/costumers/vertex.png);
                }

                .vzsp {
                    background-image: url(../img/costumers/vzsp.png);
                }

                .wbd {
                    background-image: url(../img/costumers/wbd.png);
                }

@media (max-width: 630px) {
    .customers-list-item {
        height: 25vw;
    }
}