a:link {
  color: black;
  text-decoration: none;
}

a:hover {
  color: black;
}

a:visited {
  color: black;
}

body {
  background-color: #666666;
  font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

h1 {
  text-align: center;
}

.content {
  width: 90%;
  height: 90%;
  background-color: white;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  /*Solves a problem in which the content is being cut when the div is smaller than its' wrapper:*/
  max-width: 100%;
  max-height: 100%;
  overflow: auto;
  border-radius: 15px;
  padding: 20px;
}

.buttonBar {
  text-align: center;
  font-size: 2em;
}

.button {
  display: inline-block;
  background-color: green;
  padding: 20px;
  border-radius: 15px;
}