.article {
    max-width: 1400px;
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .article button a {
    color: white;
    padding: 40px;
    display: block;
    font-size: 30px;
    width: 100%;
    font-weight: 700;
  }
  .article span {
    color: black;
    font-weight: bolder;
    font-size: x-large;
  }
  
  .article h1 {
    text-align: center;
    font-weight: 900;
  }
  .article p {
    color: #0b0b0b;
    font-size: 1.4rem;
    font-weight: 600;
    margin-top: 2rem;
  }
  li,
a {
  list-style-type: none;
  text-decoration: none;
}
  li {
    line-height: 50px;
    font-size: 1.1rem;
  }
  
  h2 {
    color: red;
    text-align: center;
  }
  
  h2 {
    text-align: center;
  }
  
  h3 {
    text-align: center;
    font-size: 25px;
    margin: 0;
    padding-top: 22px;
    font-weight: 800;
  }
  a {
    text-decoration: none;
  }
  .gallery {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
    align-items: center;
    /* margin: 50px 0; */
  }
  .content {
    width: 25%;
    margin: 15px;
    box-sizing: border-box;
    float: left;
    text-align: center;
    border-radius: 20px;
    cursor: 10px;
    box-shadow: 0 14px 20px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
    transition: 0.4s;
    background: #fff;
  }
  .content .cash {
    border: 2px solid dashed;
  }
  .content p {
    color: #0b0b0b;
  }
  .content .cash p {
    font-size: 1.5rem;
    color: #0b0b0b;
  }
  #order-form {
    width: 100%;
    text-align: center;
  }
  
  .diff {
    background-image: linear-gradient(#dbe7f8, #fafafa);
    border: 2px red dashed;
  }
  .diff h3 {
    color: red;
  }
  .content:hover {
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16), 0 3px 6px rgba(0, 0, 0, 0.23);
    transform: translate(0px, -8px);
  }
  .content img {
    width: 300px;
    height: 250px;
    text-align: center;
    margin: 0 auto;
    display: block;
  }
  p {
    text-align: center;
    color: #b2bec3;
  }
  h6 {
    font-size: 46px;
    text-align: center;
    color: #222f3e;
    margin: 0;
    font-weight: bolder;
  }
  .gallery ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
  }
  
  .fa {
    font-size: 26px;
    transition: 0.4s;
  }
  .checked {
    color: #ff9f43;
  }
  .fa:hover {
    transform: scale(1.3);
    transition: 0.6s;
  }
  .gallery .content button {
    text-align: center;
    font-size: 24px;
    color: #fff;
    width: 100%;
    padding: 15px;
    border: 0;
    outline: none;
    cursor: pointer;
    border-bottom-right-radius: 20px;
    border-bottom-left-radius: 20px;
  }
  .buy-1 {
    background: #0b0b0b;
  }
  .buy-2 {
    background: #0b0b0b;
  }
  .buy-3 {
    background: #0b0b0b;
  }
  #order-form {
    width: 100%;
  }
  .footer img {
    width: 100%;
    height: auto;
  }
  
   @keyframes main {
    0% {
      transform: scale(1);
      visibility: visible;
    }
  
    50% {
      transform: scale(1);
    }
  
    100% {
      transform: scale(1.1);
    }
  }
  
  @-webkit-keyframes main {
    0% {
      transform: scale(1);
      visibility: visible;
    }
  
    50% {
      transform: scale(1);
    }
  
    100% {
      transform: scale(1.1);
    }
  }
  
  @-o-keyframes main {
    0% {
      transform: scale(1);
      visibility: visible;
    }
  
    50% {
      transform: scale(1);
    }
  
    100% {
      transform: scale(1.1);
    }
  }
  @media (max-width: 1000px) {
    .content {
      width: 45%;
    }
    .container h1 {
      text-align: center;
    }
    iframe {
      margin: 30px 0;
    }
  }
  
  @media (max-width: 750px) {
    .content {
      width: 100%;
    }
    .container h1 {
      text-align: center;
    }
    iframe {
      margin: 30px 0;
    }
  }
  @media (max-width: 640px) {
    .container {
      width: 95%;
    }
    li {
      line-height: 35px;
    }
    h1 {
      font-size: 24px;
    }
    h2 {
      font-size: 20px;
    }
  
    .container h1 {
      text-align: center;
    }
    .footer iframe {
      margin: 30px 0;
    }
  }
  