@import url('https://fonts.googleapis.com/css2?family=Koh+Santepheap:wght@700&display=swap');

:root {
    --background-dark: #171717;
    --grey: #454547;
    --green: #13B5A9;
    font-family: 'Koh Santepheap', cursive;
}
  
  html {
    background-color: var(--background-dark);
    color: var(--green);
    height: 100%;
  }
  
  * {
    font-family: "Lato", sans-serif;
  }
  
  .header {
    text-align: center;
    margin-top: 100px;
    font-size: 52px;
    background: -webkit-linear-gradient(#eee, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .container {
    width: 300px;
    margin: auto auto;
  }
  
  label,
  input {
    display: block;
    margin-top: 0.5rem;
    width: 100%;
  }
  
  label {
    font-weight: 500;
    font-size: 1.3rem;
  }
  
  input {
    border-radius: 5px;
    padding: 0.5rem;
    border: transparent;
    font-size: large;
    margin: 1rem 0;
  }
  
  #calculate-number {
    margin: 0.5rem auto;
    display: block;
  }
  
  #calculate-number {
    background-color: var(--background-dark);
    border: 2px solid var(--green);
    color: var(--black);
    padding: 0.4rem 1rem;
    border-radius: 0.5rem;
    font-size: large;
    cursor: pointer;
    outline: var(--green);
    margin: auto;
    display: block;
  }
  
  #output-container {
    display: block;
    margin: auto;
    margin-top: 1rem;
    width: 100%;
    text-align: center;
    padding: 0.5rem;
    font-size: x-large;
    border-color: var(--green);
    border-width: medium;
    border-radius: 5px;
  }

  footer {
    text-align: center;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--grey);
    border-top-left-radius: 30px;
    border-top-right-radius: 30px;
  }

  footer p {
    font-size: large;
    text-align: center;
    color: white;
  }
  
  .footer-list {
    margin: 1rem;
  }
  
  a,
  img,
  li {
    display: inline;
  }
  
  img {
    width: 40px;
    padding: 0.2rem;
  }

  #privacy{
    padding-bottom: 2rem;
    background-color: #454547;
    display: block;
    color: var(--green);
  }