* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
  background-color: #272746;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 2em;
  padding: 7em;
}

.title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2em;
}

.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2em;
  border-radius: 10px;
}

.label-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2em;
}

.input-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2em;
}

label {
  background-color: transparent;
  color: #fff;
  font-size: 1.5em;
}

h1 {
  color: #fff;
  font-size: 2em;
}

#number {
  padding: 0.5em;
  border-radius: 5px;
  border: none;
  font-size: 1.5em;
  text-align: center;
  background: #717194;
  color: #fff;
}

button {
  padding: 0.5em 5em;
  border-radius: 5px;
  border: none;
  font-size: 1.5em;
  text-align: center;
  background: #4e4ea8;
  color: #fff;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  background: #353551;
}

#output {
  opacity: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2em;
  border-radius: 10px;
  padding: 1em 2em;
  color: #fff;
  font-weight: bold;
}

 .output-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
} 


/*------------------------- Responsive Section --------------------------- */
/* mobile small */
@media (max-width: 320px) {
  .container {
    padding: 2em;
    margin-top: 7em;
  }
  .title-container {
    gap: 1em;
  }
  .form-container {
    gap: 1em;
  }
  .label-section {
    gap: 1em;
  }
  .input-section {
    gap: 1em;
  }
  label {
    font-size: 1.2em;
  }
  h1 {
    font-size: 1em;
  }
  #number {
    font-size: 1.2em;
  }
  button {
    font-size: 1.2em;
  }
  #output {
    gap: 1em;
    padding: 0.5em 1em;
  }
}

/* mobile medium */
@media  (min-width: 321px) and (max-width: 376px) {
  .container {
    padding: 2em;
    margin-top: 7em;
  }
  .title-container {
    gap: 1em;
  }
  .form-container {
    gap: 1em;
  }
  .label-section {
    gap: 1em;
  }
  .input-section {
    gap: 1em;
  }
  label {
    font-size: 1.2em;
  }
  h1 {
    font-size: 1em;
  }
  #number {
    font-size: 1.2em;
    padding: 0.4em 2em;
  }
  button {
    font-size: 1.2em;
  }
  #output {
    gap: 1em;
    padding: 0.5em 1em;
  }
}

/* mobile large */
@media  (min-width: 377px) and (max-width: 426px) {
  .container {
    padding: 2em;
    margin-top: 7em;
  }
  .title-container {
    gap: 1em;
  }
  .form-container {
    gap: 1em;
  }
  .label-section {
    gap: 1em;
  }
  .input-section {
    gap: 1em;
  }
  label {
    font-size: 1.3em;
  }
  h1 {
    font-size: 1.5em;
    text-align: center;
    line-height: 1.5em;
  }
  #number {
    font-size: 1.2em;
    padding: 0 em;
  }
  button {
    font-size: 1.2em;
  }
  #output {
    gap: 1em;
    padding: 0.5em 1em;
  }
}