body{
margin:0;
padding:0;
box-sizing: border-box;
font-family: 'Montserrat', sans-serif;
background: #7F7FD5;  /* fallback for old browsers */
background: -webkit-linear-gradient(to right, #91EAE4, #86A8E7, #7F7FD5);  /* Chrome 10-25, Safari 5.1-6 */
background: linear-gradient(to right, #91EAE4, #86A8E7, #7F7FD5); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */

}

.header {
    text-align: center;
    padding: 32px;
    text-transform: uppercase;
    color:#28262d;
    letter-spacing: 6px;
    font-size: 3px;
  }
  
  .row {
    display: flex;
    flex-wrap: wrap;
    padding: 0 4px;
  }
  
  .column {
    flex: 25%;
    max-width: 25%;
    padding: 0 4px;
  }
  
  .column img {
    margin-top: 8px;
    vertical-align: middle;
    width: 100%;
  }
  
  @media screen and (max-width: 800px) {
    .column {
      flex: 50%;
      max-width: 50%;
    }
  }
  
  @media screen and (max-width: 600px) {
    .column {
      flex: 100%;
      max-width: 100%;
    }
  }
  .jumbotron{
      height:50px ;
      width:100%;
  }
  .fixed-bottom{
      background-color: aliceblue;
    height:55px;
    padding-top:15px;
  }