.use_case_outer
{
  flex: 1 1 250px; max-width: 350px; background: #fff; padding: 20px; border-radius: 12px; text-align: left; box-shadow: 0 2px 8px rgba(0,0,0,0.05); text-decoration: none;
}
.major_feature_box{
  justify-items:center
}
@media screen and (max-width: 500px) {
  .use_case_outer
  {
    max-width:100%;
  }
  

}