.container{
  width: 100%;
}

.container .row{
  width: 90%;
  margin: auto;
}

.content2{
  display: flex;
  justify-content: center;
  align-items: center;
  margin: auto;
}

.content2 .card{
  flex:1;
  margin: 10px 30px;
  box-shadow: 1px 0px 1px 0px #008000;
  background-color: #fff;
}

.content2 .card img{
  width: 100%;
  height: auto;
}



@media screen and (max-width: 768px){
  .content{
    flex-direction: column;
  }
}