.customer {
    max-width: 240px;
    max-height: 420px;
    display: block;
    margin: auto;
}

.contactBtn{
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contactBtn p{
    font-size: 25px;
    color: #000;
    font-weight: bold;
    margin-bottom: 0px;
}

.customerBox{
    display: flex;justify-content: center;flex-wrap: wrap;
}
.btnBox{
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

@media screen and (max-width: 498px) {
    .customer{
        max-width: 160px;
        max-height: 280px;
    }
}

@media screen and (max-width: 419px) {
    .left{
        display: none;
    }

    .contactBtn{
        margin-bottom: 20px;
    }
}