.portfolioFilter {
    padding: 15px 10px;
    text-align: center;
  }
  .portfolioBox{
    padding : 20px 0;
  }
  .portfolioContainer{
    padding : 15px 0;
  }
  .portfolioFilter a {
    margin-right: 6px;
    color: #222;
    text-decoration: none;
    border: 1px solid #555;
    padding: 3px 15px 1px 15px;
    font-size: 14px;
    border-radius: 50px;
    display: inline-block;
  }

  .portfolioFilter a.current {
    background: #31577E;
    border: 1px solid #31577E;
    color: #f9f9f9;
  }
  img {
    margin: 5px;
    max-width:100%;
  }

  .isotope-item {
    z-index: 2;
  }

  .isotope-hidden.isotope-item {
    pointer-events: none;
    z-index: 1;
  }

  .isotope,
  .isotope .isotope-item {
    /* change duration value to whatever you like */
    -webkit-transition-duration: 0.8s;
    -moz-transition-duration: 0.8s;
    transition-duration: 0.8s;
  }

  .isotope {
    -webkit-transition-property: height, width;
    -moz-transition-property: height, width;
    transition-property: height, width;
  }

  .isotope .isotope-item {
    -webkit-transition-property: -webkit-transform, opacity;
    -moz-transition-property: -moz-transform, opacity;
    transition-property: transform, opacity;
  }

  @media(max-width : 767px){
    .portfolioFilter h4{
      font-size: 20px;
      text-transform: uppercase;
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
      padding-bottom: 10px;
      color: #31577E;
      position: relative;
    }
    .portfolioFilter h4 .fa{
      position: absolute;
      right: -9px;
      top: -22px;
      font-weight: normal;
      background: #eee;
      padding : 18px;
      color: #444;
    }
    .portfolioFilter a{
      width: 100%;
      border-radius: 0;
      font-size: 15px;
      padding : 15px 15px;
      text-transform: uppercase;
      text-align: left;
      border : none;
      border-bottom : 1px solid #eee;
    }
    .portfolioFilter a:last-child{
      border-bottom: none;
    }
  }