main{
  font-family: Arial, sans-serif;
  background: #a5d6a7;
  text-align: center;
  padding: 20px;
  color: #000000;
}
h1{color: #317773;}
h1+p{font-size: 20px; color: #e8f5e9;}
.container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: auto;
}
.activity {
    min-width: 150px;
  background: #e8f5e9;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s;
}
.activity:hover {
  transform: scale(1.05);
}
.activity img {
  width: 50px;
  height: 50px;
}
.activity h3{
    color: #317773;
}
@media screen and (min-device-width: 300px) and (max-device-width: 768px){
    html{
        overflow: scroll;
    }
    .container{
        grid-template-columns: 1fr 1fr;
    }
    .activity{
        padding: 10px;
    }
}