.sec-clientes{
    text-align: center;
}
.sec-clientes h5{
    margin-top: 30px;
    text-align: center;
}
.div-chamado {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
}
.div-cliente {
    display: inline-block;
    height: 140px;
    width: 140px;
    text-align: center;
    margin-left: 0px;
}
.div-cliente img {
    margin-top: 20px;
    width: 110px;
    height: 110px;
    vertical-align: middle;
}