body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 90vh;
  margin: 0;
  background: linear-gradient(90deg, #e76c15 0%, #d79334 100%);
}

div {
  text-align: center;
}

#error {
  position: relative;
  top: 3px;
  margin: 0%;
  padding: 0%;
  text-align: left;
  color: #f00;
  text-shadow: 0 0 1px #f00;
  font-size: 14px;
  font-size: 24px;
  font-family: Arial, Helvetica, sans-serif;
}

#output {
  position: relative;
  top: 3px;
  margin: 0%;
  padding: 0%;
  text-align: left;
  color: #000;
  text-shadow: 0 0 5px #fff;
  font-size: 14px;
  font-size: 24px;
  font-family: Arial, Helvetica, sans-serif;
}

#url {
  margin: 5px 0%;
  width: 100%;
}

input {
  padding: 10px;
  border-radius: 10px;
  font-size: 24px;
  /*outline: 3px solid rgb(23, 134, 214);*/
  border: none;
  transition: 100ms;
  opacity: 0.8;
}

input:focus {
  /*outline: 4px solid rgb(23, 134, 214);*/
  outline: none;
  opacity: 1;
}

input:hover {
  opacity: 1;
}

button {
  margin: 5px;
  font-size: 24px;
  /*outline: 3px solid rgb(23, 134, 214);*/
  background-color: rgb(255, 255, 255);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: 100ms;
  opacity: 0.8;
  display: none;
}

button:hover {
  opacity: 1;
}

button:active {
  /*outline: 4px solid rgb(23, 134, 214);*/
  opacity: 1;
}