style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: inherit;
  }
  
  html {
    font-size: 62.5%;
    box-sizing: border-box;
  }
  
  body {
    font-family: system-ui;
    color: #555;
    background-color: #f7f7f7;
    min-height: 100vh;
  
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .container {
    padding-inline: 2rem;
    padding-block: 4rem;
    display: flex;
    flex-flow: column;
    align-items: center;
  }
  
  .countries {
    margin-bottom: 4rem;
    display: flex;
    flex-flow: row wrap;
    font-size: 2rem;
    opacity: 0;
    transition: opacity 1s;
  }
  
  .country {
    background-color: #fff;
    box-shadow: 0 2rem 5rem 1rem rgba(0, 0, 0, 0.1);
    font-size: 1.8rem;
    width: 30rem;
    border-radius: 0.7rem;
    /* overflow: hidden; */
  }
  
  .neighbour::before {
    content: 'Neighbour country';
    width: 100%;
    position: absolute;
    top: -4rem;
  
    text-align: center;
    font-size: 1.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: #888;
  }
  
  .neighbour {
    transform: scale(0.8) translateY(1rem);
  }
  
  .country__img {
    width: 30rem;
    height: 17rem;
    object-fit: cover;
    background-color: #eee;
    border-top-left-radius: 0.7rem;
    border-top-right-radius: 0.7rem;
  }
  
  .country__data {
    padding: 2.5rem 3.75rem 3rem 3.75rem;
  }
  
  .country__name {
    font-size: 2.7rem;
    margin-bottom: 0.7rem;
  }
  
  .country__region {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    color: #888;
  }
  
  .country__row:not(:last-child) {
    margin-bottom: 1rem;
  }
  
  .country__row span {
    display: inline-block;
    margin-right: 2rem;
    font-size: 2.4rem;
  }
  
  .btn-country {
    border: none;
    font-size: 2rem;
    padding: 2rem 5rem;
    border-radius: 0.7rem;
    color: white;
    background-color: orangered;
    cursor: pointer;
    transition-timing-function: ease-in-out;
    transition-duration: 0.2s;
  }
  .btn-country:hover {
    transform: scale(1.02) translateY(-5px);
  }
  .btn-country:disabled {
    opacity: 0.6;
  }
  .btn-country:disabled:hover {
    transform: none;
  }