body {
  font-family: 'Helvetica Neue', sans-serif;
  padding: 10px;
}

.button {
  cursor: pointer;
}

.underline {
  text-decoration: underline;
}

.controls div {
  display: inline-block;
}

.about {
  position: absolute;
  top: 10px;
  right: 10px;
}

.about-text {
  max-width: 600px;
  margin: auto;
  margin-top: 100px;
}

.about-text div {
  margin-top: 20px;
}

.noselect {
  -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Old versions of Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome, Edge, Opera and Firefox */
}

.values {
  position: absolute;
  bottom: 10px;
}