html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

h1 {
    font-family: Arial;
    font-size: 30px;
    color: maroon;
    margin-left: 20px;
}        

h2 {
    font-family: Arial;
    font-size: 20px;
    color: blue;
    margin-left: 20px;
}

.solid {
  border-top: 3px solid #bbb;
}

p {
    font-family: Tahoma;
    font-size: 18px;
    margin-left: 20px;
    margin-right: 20px;
}

p2 {
    font-family: 'Courier New', monospace;
    font-size: 18px;
    margin-left: 20px;
}

p3 {
    font-family: Arial;
    font-size: 18px;
    margin-left: 40px;
}

img {
    padding: 0;
    display: block;
    margin: 0 auto;
    max-height: 90%;
    max-width: 90%;
}

#pic_across {
    height: auto;
    width: auto;
}
#pic_across img {
    max-width: 100%;
    max-height: 100%;
    margin: auto;
    display: block;
}

.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  width: 90%;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}