html, body {
  position: relative;
}
body {
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', 'Times New Roman', sans-serif;
    font-size: 20px;
    line-height: 1;
    background-color: black;
    color: white;
}
header {
  position: sticky;
  top: 0;
}
a {
    display: block;
    color: rgb(27.5,137.5,215);
}
/* general header */
    .sticky {
    position: sticky;
    align-items: center;
    display: flex;
    top: 0px;
    left: 0;
    right: 0;
    }
    .block-header {
        background-color: rgb(11,55,86);
        display: flex;
        align-items: center;
        z-index: 10;
    }
    .border {
      border-bottom: 1px solid rgb(129,202,64);
  }

/* logo */
    #headerlogo {
    flex: 1;
    max-width: 100px;
    line-height: 0;
    }

/* title */
.title{
  flex: 1;
  text-align: center;
  line-height: 0px;
  color: rgb(129,202,64);
  max-height: 100px;
  font-size: 3rem;
}

/* new hamburger */
.sidepanel  {
  width: 14rem;
  position: fixed;
  z-index: 1;
  height: 14.5rem;
  top: 0;
  right: calc(-250px + -2px); /* content + border */
  background-color: rgb(11,55,86);
  overflow-x: hidden;
  transition: 0.4s;
  padding-top: 6rem;
  border: 1px solid rgb(129,202,64);
}
.sidepanel.open {
  right: 0;
}

.sidepanel a {
  padding: 1rem 1rem 1rem 2rem;
  text-decoration: none;
  font-size: 1.2rem;
  color: rgb(129,202,64);
  display: block;
  transition: 0.3s;
}

.sidepanel a:hover {
  color: lightblue;
}

.sidepanel .closebtn {
  position: absolute;
  top: 0;
  right: 0;
  padding: 1rem 2.5rem;
  font-size: 3rem;
  background: none;
  border: none;
  color: rgb(202, 42, 31);
}

.openbtn {
  padding: 0.5rem 2rem 1rem 2rem;
  font-size: 3rem;
  line-height: 1rem;
  cursor: pointer;
  color: rgb(129,202,64);
  border: none;
  background-color: transparent;
}
dialog::backdrop {
  background-color: salmon;
}

/* Heading rules */
h1 {
  color: rgb(129,202,64);
  text-align: center;
  margin-bottom: 0rem;
}
h2 {
  color: rgb(129,202,64);
  text-align: center;
  margin-bottom: 0rem;
  margin-top: 2rem;
}
h3 {
  color: rgb(129,202,64);
  text-align: center;
  margin-bottom: 0rem;
}

/* body */
.video {
  margin: 1rem;
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
}
.video-center {
  display: flex;
  justify-content: center;
}
.box {
  display: flex;
  flex: 1;
  justify-content: center;
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
  margin: 1rem;
}
.box2 {
  display: flex;
  justify-content: center;
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
  margin: 1rem;
  max-width: 50rem;
}
.box-text {
  max-width: 85%;
  text-align: center;
  line-height: 1.2em;
}
.clients {
  flex: 1;
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}
.text-no-margin {
  margin: 0.5rem;
  text-align: center;
}
.column {
  display: flex;
}
.photo-caption {
  font-size: 0.8rem;
}
@media (max-width: 850px) {
  .column {
    display: block;
  }
  .photo-caption {
    font-size: 0.9rem;
  }
  .title {
    font-size: 2rem;
  }
}
.willy {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  max-width: 50rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
@media (max-width: 850px) {
  .willy {
    margin: 1rem;
  }
}
.center-content {
  display: flex;
  justify-content: start;
  align-items: center;
}
.center-content2 {
  display: flex;
  justify-content: center;
  align-items: center;
}
.data-text {
  color: green;
  margin: 0.25rem;
}
.bottom {
  margin-bottom: 1rem;
}
/* documents page */
.document-links {
  margin-top: 0rem;
  margin-bottom: 0rem;
  line-height: 0.5rem;
}
/* gallery words */
.box3 {
  display: flex;
  justify-content: center;
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
  margin: 1rem;
  max-width: 50rem;
}
.box-text2 {
  max-width: 85%;
  line-height: 1.5rem;
}
.parent-content {
  display: flex;
  justify-content: center;
  align-items: center;
}
/* gallery scroll pictures */
.scroll-container {
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
  overflow: auto;
  white-space: nowrap;
  padding: 0.5rem;
  margin: 1rem;
}
.scroll-container2 {
  background-color: rgb(23,31,14);
  border: 1px solid rgb(129,202,64);
  overflow: auto;
  white-space: nowrap;
  padding: 0.5rem;
  margin: 1rem;
}
.scroll-container img {
  padding: 0.5rem;
}
.scroll-container2 img {
  padding: 0.5rem;
  height: 20rem;
}
/* gallery extra images */
.image-container {
    position: relative;
    display: inline-block;
}
.image-caption {
    position: absolute;
    top: 75%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 0.5rem;
    text-align: center;
    font-size: 0.8rem
}
.image-container:hover .image-caption {
    opacity: 1;
}
.limited-photo {
  max-height: 15rem;
  max-width: 80%;
  display: block;
  margin: auto;
  border-radius: 1rem;
}
.prototype-text {
  font-size: 0.9rem;
}
.image-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 0.125em;
  text-align: center;
  margin-top: 2rem;
}
@media (max-width: 850px) {
  .image-grid {
    display: grid;
    grid-template-columns: repeat(1,1fr);
    gap: 0.125em;
    text-align: center;
    margin-top: 2rem;
  }
  .limited-photo {
    max-height: 30rem;
    max-width: 100%;
    display: block;
    margin: auto;
    border-radius: 1rem;
  }
}