style.css

html {
  margin: 0;
  padding: 0;
}

body {
  background-color: rgb(255, 255, 255);
  text-align: center;
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
}

input {
  font-size: 1.1em;
}

label  {
  font-size: 1.1em;
}

#title {
  
  background-color: rgb(61, 61, 61);
  font-size: 1.1em;
  color: white;
  
  border: none;
  border-radius: 3px;
  font-weight: normal;
  font-size: 1.75em;

}

#blurb {
  background-color: rgba(255, 255, 255, 0.386);
  text-align: center;
  margin: 1em auto 1em auto;
  width: 500px;
  padding: .5em;
  border-radius: 5px;
}

#visual-title {
  font-weight: bold;
  font-size: 1.2em;
  padding-bottom: .5em;
}

#array-visual {
  margin: 1em;
}

header {
  background-color: rgb(255, 255, 255);
  
  background-size: cover;
  width: 100%;
  padding: 1em;
  color:black;
}

button {
  margin-top: 1em;
  background-color: rgb(8, 74, 3);
  font-size: 1.1em;
  color: white;
  padding: .25em .5em .25em .5em;
  border: none;
  border-radius: 3px;
  font-weight: normal;
}

rect:hover, circle:hover, text.circle:hover, text.rect:hover {
  cursor: pointer;
}

.subtext {
  font-size: .8em;
  font-weight: 400;
}

.svg-container {
  display: inline-block;
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  vertical-align: top;
  overflow: hidden;
}

.svg-content-responsive {
  display: inline-block;
  position: absolute;
  top: 10px;
  left: 0;
}