body {
  background: radial-gradient(circle, #0f0f0f 10%, transparent 11%),radial-gradient(circle at bottom left, #0e0e0e 5%, transparent 6%),radial-gradient(circle at bottom right, #0e0e0e 5%, transparent 6%),radial-gradient(circle at top left, #0e0e0e 5%, transparent 6%),radial-gradient(circle at top right, #0e0e0e 5%, transparent 6%);
  background-size: 3em 3em;
  background-color: #ffffff;
  opacity: 1
  display: flex;
  justify-content: center;
}


.content01 {
  max-width: 1000px;
  margin: auto;
}

button {
  border: 1px solid #555555; /* Green */
  border-radius: 5px;
  padding-bottom: 3px;
  transition-duration: 0.4s;
  color: #fff;
  cursor:pointer;
  position: relative;
  background: url('images/images/build-btn.gif') no-repeat 50%;
  background-size: auto;
  background-size: auto;
  background-size: cover;
  font-weight: 600;
  font-style: italic;

}

#document-controls {
  position: fixed;
  right: 0;
  top: 5em;
  margin-top: 0.5em;
  margin-right: 0.5em;
  display: flex;
  flex-direction: column;
  font-size: 15px;
}