art.css

*{
    margin: 0;
    padding: 0;
    font-family: "montserrat",sans-serif;
    box-sizing: border-box;
  }
  
  .gallery-section{
    width: 100%;
    padding: 60px 0;
    background-image: linear-gradient( 122.3deg, 
                      rgba(111,71,133,1) 14.6%, 
                      rgba(232,129,166,1) 29.6%, 
                      rgba(237,237,183,1) 42.1%, 
                      rgba(244,166,215,1) 56.7%, 
                      rgba(154,219,232,1) 68.7%, 
                      rgba(238,226,159,1) 84.8% );
  }

  button {
      display: none;
  }
  
  .inner-width{
    width: 100%;
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
  }
  
  .gallery-section h1{
    text-align: center;
    text-transform: uppercase;
    color: #333;
  }
  
  .border{
    width: 180px;
    height: 4px;
    background: #333;
    margin: 60px auto;
  }
  
  .gallery-section .gallery{
    display: flex;
    flex-wrap: wrap-reverse;
    justify-content: center;
  }
  
  .gallery-section .image{
    flex: 25%;
    overflow: hidden;
    cursor: pointer;
  }
  
  .gallery-section .image img{
    width: 100%;
    height: 100%;
    transition: 0.4s;
  }
  
  .gallery-section .image:hover img{
    transform: scale(1.4) rotate(15deg);
  }
  
  @media screen and (max-width:960px) {
    .gallery-section .image{
      flex: 33.33%;
    }
  }
  
  @media screen and (max-width:768px) {
    .gallery-section .image{
      flex: 50%;
    }
  }
  
  @media screen and (max-width:480px) {
    .gallery-section .image{
      flex: 100%;
    }
  }