.grid-container {
  display: grid;
  grid-gap: 20px 50px;
  padding: 10px;
}
.cell {
  text-align: left;
  font-size: 15px;
  min-width: 190px;
  }

.heading_res{
    text-align: center;
    padding: 5px;
    background-color: #d9edf7;
}

@media only screen 
and (max-device-width: 1000px)
{ 
  .cell {
  text-align: center;
  font-size: 13px;
  min-width: 250px;
  padding: 5px;
  margin-bottom: 5px;
  }
}