.activity-heading {font-size: 22px; font-weight: 700; line-height: 40px;}
.activity-img {width: 23%; margin: 1%; float: left;}
@media only screen and (max-width: 1400px) {
.activity-img {width: 48%; float: left;}
}
@media only screen and (max-width: 1000px) {
.activity-img {width: 100%; float: left;}
}