body {
  /*background-color: rgb(247, 247, 247);*/
  font-family: 'Roboto Mono', monospace;
}

h1 {
  text-align: center;
  margin-bottom: 10.64px;
  font-size: 51px;
}

h3 {
  text-align: center;
  margin-top: 10.64px;
  margin-bottom: 50px;
}

div {
  text-align: center;
  margin-top: 35px;
}

button {
  font-size: 19px;
  outline: none;
  border: none;
  padding-bottom: 0px;
  background-color: rgb(255, 255, 255);
  box-shadow: 0 3px #999;
}

button:active {
  box-shadow: 0 0px #667;
  transform: translateY(3px);
}

.bottomButton {
  font-size: 17px;
  outline: none;
  border: none;
  padding-bottom: 0px;
  /*background-color: rgb(247, 247, 247);*/
  box-shadow: 0 3px #999;
}

.bottomButton:active {
  box-shadow: 0 0px #667;
  transform: translateY(3px);
}

input {
  min-width: 245px;
  max-width: 245px;
  background-color: rgb(255, 255, 255);
  border-top: none;
  border-left: none;
  border-right: none;
  border-bottom: 3px solid lightblue;
  outline:none;
  font-family: 'Roboto Mono', monospace;
  font-size: 14px;
  font-weight: bold;
  text-align: center;
}

.output {
  border-left: 3px solid lightblue;
  font-family: inherit;
  min-width: 281px;
  max-width: 281px;
  text-align: center;
  margin: auto;
  margin-top: 35px;
}

.output2 {
  border-left: 3px solid lightblue;
  font-family: inherit;
  min-width: 281px;
  max-width: 281px;
  text-align: center;
  margin: auto;
  margin-top: 35px;
}

p {
  overflow: auto;
  margin-left: 20px;
  margin-right: 20px;
  margin-top: 5px;
  margin-bottom: 5px;
}