.graf svg {
    overflow: visible;
}

.axis {
  opacity: .5;
}

.graf {
  margin-bottom:10px;
  margin-top:-40px;
  max-width: 600px;
}

.line {
  fill: none;
  stroke: black;
  stroke-width: 3;
}

.area {
  fill: #eee;
}

.your-line {
  stroke: #f0f;
  stroke-width: 3;
  stroke-dasharray: 5 5;
}

.introtext, .valuedisplay {
  font-family: sans-serif;
  font-size: small;
}

.grafbtn {
  margin: 0 auto;
  width: 40%;
  line-height: 2.2em;
  height: 3em;
  background-color: #e7e7e7; 
  color: black;
  border: none;
  border-radius: 5px;
  padding: 5px 20px;
  margin-top: 80px;
  text-align: center;
  text-decoration: none;
  display: block;
  font-size: 18px;
  cursor: pointer;
  transition: opacity .3s;
}

.disabled {
  opacity: 0.4;
  cursor: default;
}