@import url(https://fonts.googleapis.com/css?family=Roboto+Mono);

body {
  margin: 0;
}

.expr {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
}

.expr form {
  margin: 0;
}

.expr input {
  width: 100%;
  border: 0;
  padding: 5px;
  font-family: 'Roboto Mono';
  font-size: 15px;
  border-bottom: 1px solid #757575;
  background: rgba(255,255,255,0.7);
}

.expr input:focus {
  outline: none;
  border-bottom: 1px solid #5264AE;
}

.chart {
  width: 900px;
  height: 500px;
  display: inline-block;
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
}