html, body {
  min-height: 100%;
  margin: 0;
}

body {
 background-image: linear-gradient(aqua, darkblue);
}

h1 {
  text-align: center; 
  border: thick solid white;
  width: 500px;
 background-color: white;
 margin: auto;
 margin-top: 30px;
 padding: 10px;
 border-radius: 20px;
}

#speech{
  border: thick solid white;
  background-color: white;
  text-align: center;
  margin: auto;
  width: 750px;
  font-size: 20px;
  border-radius: 15px;
}

#Textbox { 
  text-align: center;
 font-weight: bold;
 padding: 20px;
}

button {
  margin: 25px;
  background-color: white;
  padding: 10px;
  width: 155px;
  border-radius: 10px;
}
#Button{
 text-align: center; 
}

span {
 font-weight: bold;
 text-decoration: underline;
}