.people-grid {
    white-space: nowrap;
    margin: 0 -25px;
    padding: 0 15px;
    text-align: center;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.people-grid__item {
    display: inline-block;
    width: 200px;
    padding: 10px;
    vertical-align: top;
}

@media (min-width: 768px) {
    .people-grid {
         white-space: normal;
    }

   .people-grid__item {
       width: 30%;
       max-width: 300px;
       padding: 20px;
   }
}

@media (min-width: 1024px) {
    .people-grid__item {
       padding: 30px;
   }
   
}

@media (min-width: 1200px) {
    .people-grid {
        max-width: 90%;
        margin: 0 auto;
    }
}

@media (min-width: 1400px) {
    .people-grid {
        max-width: 1300px;
    }

    .people-grid__item {
        padding: 20px;
   }
}