#overlay {
    position: fixed;
    /* Sit on top of the page content */
    display: none;
    /* Hidden by default */
    width: 100%;
    /* Full width (cover the whole page) */
    height: 100%;
    /* Full height (cover the whole page) */
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    /* Black background with opacity */
    z-index: 1100;
    /* Specify a stack order in case you're using a different order for other elements */
    cursor: pointer;
    /* Add a pointer on hover */
}

#text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 30px;
    color: white;
    transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
}

.text-overlay{
    position: absolute;
    top: 40%;
    left: 50%;
}

.container {
    max-width: 640px !important;
}
.mobile-header, .mobile-footer, .mobile-content {
    max-width: 640px;
    margin: 0 auto;
}

/* landing */
.hero-img {
    width: 75%;
}
.text-justify {
    text-align: justify;
}
#main {
    position: relative;
}

.img-antre{
    animation: breathing 4s ease-out infinite normal;
}

@-webkit-keyframes breathing {
    0% {
      -webkit-transform: scale(0.9);
      transform: scale(0.9);
    }
  
    25% {
      -webkit-transform: scale(1);
      transform: scale(1);
    }
  
    50% {
      -webkit-transform: scale(0.9);
      transform: scale(0.9);
    }
    
    75% {
      -webkit-transform: scale(0.9);
      transform: scale(0.9);
    }
  
    100% {
      -webkit-transform: scale(0.9);
      transform: scale(0.9);
    }
  }
  
  @keyframes breathing {
    0% {
      -webkit-transform: scale(0.9);
      -ms-transform: scale(0.9);
      transform: scale(0.9);
    }
  
    25% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      transform: scale(1);
    }
  
    50% {
      -webkit-transform: scale(0.9);
      -ms-transform: scale(0.9);
      transform: scale(0.9);
    }
    
    75% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      transform: scale(1);
    }
  
    100% {
      -webkit-transform: scale(0.9);
      -ms-transform: scale(0.9);
      transform: scale(0.9);
    }
  }