body {
  font-family: sans-serif;
}
      .bd-placeholder-img {
        font-size: 1.125rem;
        text-anchor: middle;
        -webkit-user-select: none;
        -moz-user-select: none;
        user-select: none;
      }

      @media (min-width: 768px) {
        .bd-placeholder-img-lg {
          font-size: 3.5rem;
        }
      }

      .b-example-divider {
        width: 100%;
        height: 3rem;
        background-color: rgba(0, 0, 0, .1);
        border: solid rgba(0, 0, 0, .15);
        border-width: 1px 0;
        box-shadow: inset 0 .5em 1.5em rgba(0, 0, 0, .1), inset 0 .125em .5em rgba(0, 0, 0, .15);
      }

      .b-example-vr {
        flex-shrink: 0;
        width: 1.5rem;
        height: 100vh;
      }

      .bi {
        vertical-align: -.125em;
        fill: currentColor;
      }

      .nav-scroller {
        position: relative;
        z-index: 2;
        height: 2.75rem;
        overflow-y: hidden;
      }

      .nav-scroller .nav {
        display: flex;
        flex-wrap: nowrap;
        padding-bottom: 1rem;
        margin-top: -1px;
        overflow-x: auto;
        text-align: center;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
      }

      .btn-bd-primary {
        --bd-violet-bg: #712cf9;
        --bd-violet-rgb: 112.520718, 44.062154, 249.437846;

        --bs-btn-font-weight: 600;
        --bs-btn-color: var(--bs-white);
        --bs-btn-bg: var(--bd-violet-bg);
        --bs-btn-border-color: var(--bd-violet-bg);
        --bs-btn-hover-color: var(--bs-white);
        --bs-btn-hover-bg: #6528e0;
        --bs-btn-hover-border-color: #6528e0;
        --bs-btn-focus-shadow-rgb: var(--bd-violet-rgb);
        --bs-btn-active-color: var(--bs-btn-hover-color);
        --bs-btn-active-bg: #5a23c8;
        --bs-btn-active-border-color: #5a23c8;
      }

      .bd-mode-toggle {
        z-index: 1500;
      }

      .bd-mode-toggle .dropdown-menu .active .bi {
        display: block !important;
      }

  .overlay {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: white;
  opacity: 55%;
  overflow-x: hidden;
  transition: 0.5s;
}

.overlay-content {
  position: relative;
  top: 25%;
  width: 100%;
  text-align: center;
  margin-top: 30px;

}

.overlay a {
  padding: 8px;
  text-decoration: none;
  font-size: 30px;
/*  color: black;*/
  display: block;
  transition: 0.3s;
  z-index: 999;
}

.closebtn:hover {
  color: #212529 !important;
  text-decoration: underline;
}

.overlay a:hover, .overlay a:focus {
  color: whitesmoke;
  text-decoration: underline;

}

.closebtn {
  color: #212529;
}


.active {
  background-color: #212529;
  color: #f8f9fa;
  border-top: 2px solid whitesmoke;
  border-bottom: 2px solid whitesmoke;
}

.active:hover {
  background-color: #303439;
}

.one-page {
  background-color: #212529;
  color: #f8f9fa;
  border-top: 2px solid whitesmoke;
  border-bottom: 2px solid whitesmoke;
}

.one-page:hover {
  background-color: #303439;
}

.patent {
  background-color: #212529;
  color: #f8f9fa;
  border-top: 2px solid whitesmoke;
  border-bottom: 2px solid whitesmoke;
}

.patent:hover {
  background-color: #303439;
}

.contact {
 background-color: #212529;
  color: #f8f9fa;
  border-top: 2px solid whitesmoke;
  border-bottom: 2px solid whitesmoke;
}

.contact:hover {
  background-color: #303439;
}

.overlay .closebtn {
  position: absolute;
  top: 1px;
  right: 5px;
  font-size: 60px;
}

.navbar {
  margin-top: 20px;
}

.row.pdf img {
          width: 75%; 
          margin-top: 1px;
      }

@media screen and (max-height: 470px) {
  .overlay a {font-size: 10px}
  .overlay .closebtn {
  font-size: 40px;
  top: 15px;
  right: 35px;
  }
}

.mobile-hide {
  margin-top: -25px;
}

.mobile-show {
  display: none;

}
@media screen and (max-width: 480px) {

.mobile-hide video {
display: none;
}

.mobile-show {
display: block;
margin-top: 20px;
}

.navbar {
  margin-top: 5px;
  margin-bottom: -35px;
}

button .active {
color: red;
}

.overlay {
  z-index: 999 !important;
}


.mss-selectors-container {
  background-color: #212529;
}

.mss-selectors .mss-button {
 background-color: #212529 !important;
 opacity: 1 !important;
}


}