.bg-arioac {
    background-color: #255673;
}

.bg-arioac-light {
    background-color: hsl(216, 29%, 97%);
}

.bg-grey {
    background-color: lightgrey;
}

.bg-arioac-second {
    background-color: #9b3237;
}
.bg-arioac-first {
    background-color: #38c172;
}

.text-arioac {
    color: #256386;
}

.text-orange {
    color: orange;
}

.text-arioac-light {
    color: #f4f6f9;
}

.text-arioac-second {
    color: #9b3237;
}

.hr-color {
    height: 2px;
    border: 0;
    color: #256386;
    background-color: #256386;
 }

 .btn-arioac {
    background-color: #9b3237;
    border-color: #9b3237;
    color:#f4f6f9;
}

.style-arioac {
    border-left: 5px solid #3EBAC8;
    font-weight:  bolder;
    padding-left: 10px;
  }

.full-width {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}

/* Add a black background color to the top navigation */
.nav-item {
    overflow: hidden;
    padding: 10px;
  }
  
  /* Style the links inside the navigation bar */
  .nav-item a {
    float: left;
    display: block;
    color: #f2f2f2 !important;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    border-bottom: 3px solid transparent;
  }
  
  .nav-item a:hover {
    border-bottom: 2px solid #f2f2f2;
  }
  
  .nav-item.active a {
    border-bottom: 2px solid #f2f2f2;
  }
 
  .card-wrapper {
    margin: 5% 0;
  }
  
  /* You can adjust the image size by increasing/decreasing the width, height */
  .custom-circle-image {
    width: 20vw; /* note i used vw not px for better responsive */
    height: 20vw;
  }

  /* You can adjust the image size by increasing/decreasing the width, height */
  .custom-circle-image-banner {
    width: 15vw; /* note i used vw not px for better responsive */
    height: 15vw;
  }

  .custom-circle-image-banner img {
    object-fit: cover;
  }
  
  .custom-circle-image img {
    object-fit: cover;
  }
  
  .card-title {
    letter-spacing: 1.1px;
  }

  .card-title-conference {
    letter-spacing: 0.5px;
    font-size: 18px;
  }
  
  .card-text {
    font-size: 22px;
    line-height: initial;
  }

  .card-text-conference {
      font-size: 15px;
      line-height: normal;
  }

  .custom-circle-image-conference {
    width: 20vw;
    border: 5px solid orange;
    height: 20vw;
  }

  .custom-circle-image-conference img {
      object-fit: cover;
}

  .flag-image {
    border: 5px solid orange;
    left: 50%;
    top: 55%;
    width: 6vw;
    height: 6vw;
    position: relative;
    margin-top: -30px;
    margin-left: -30px;
  }
  .btn-circle {
    width: 30px;
    height: 30px;
    text-align: center;
    padding: 6px 0;
    font-size: 12px;
    line-height: 1.428571429;
    border-radius: 15px;
  }
  .btn-circle-img {
    width: 30px;
    height: 30px;
    text-align: center;
    padding: .5px 0;
    font-size: 12px;
    line-height: 1.428571429;
    border-radius: 15px;
  }

  .btn-circle.btn-lg {
    width: 50px;
    height: 50px;
    padding: 10px 16px;
    font-size: 18px;
    line-height: 1.33;
    border-radius: 25px;
  }
  .btn-circle.btn-xl {
    width: 70px;
    height: 70px;
    padding: 10px 16px;
    font-size: 24px;
    line-height: 1.33;
    border-radius: 35px;
  }

  #imageModal {
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
  }
  
  #imageModal:hover {opacity: 1;}
  
  /* The Modal (background) */
  .modal-img {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    padding-top: 100px; /* Location of the box */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.9); /* Black w/ opacity */
  }
  
  /* Modal Content (image) */
  .modal-content-img {
    margin: auto;
    display: block;
    width: 90%;
    max-width: 900px;
  }
  
  /* Caption of Modal Image */
  #img-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 150px;
  }
  
  /* Add Animation */
  .modal-content-img, #img-caption {  
    -webkit-animation-name: zoom;
    -webkit-animation-duration: 0.6s;
    animation-name: zoom;
    animation-duration: 0.6s;
  }
  
  @-webkit-keyframes zoom {
    from {-webkit-transform:scale(0)} 
    to {-webkit-transform:scale(1)}
  }
  
  @keyframes zoom {
    from {transform:scale(0)} 
    to {transform:scale(1)}
  }
  
  /* The Close Button */
  .close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
  }
  
  .close:hover,
  .close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
  }
  
  /* 100% Image Width on Smaller Screens */
  @media only screen and (max-width: 700px){
    .modal-content-img {
      width: 100%;
    }
  }
  
  /*.card-text {
      font-size: 1.3rem;
  }*/
  
  @media screen and (max-width: 768px) {
      .img-card-size {
          width: 30%;
          display: block;
          margin-left: auto;
          margin-right: auto;
      }
    }