main {
    padding-top: 5rem;
    padding-bottom: 2rem;
}
.navbar{
	background-color: #1d262f ;
}

.gallery {
        -webkit-column-count: 3;
        -moz-column-count: 3;
        column-count: 3;
        -webkit-column-width: 33%;
        -moz-column-width: 33%;
        column-width: 33%; 
      }
        .gallery .pics {
        -webkit-transition: all 350ms ease;
        transition: all 350ms ease; 
      }
        .gallery .animation {
        -webkit-transform: scale(1);
        -ms-transform: scale(1);
        transform: scale(1); 
      }

      @media (max-width: 450px) {
        .gallery {
          -webkit-column-count: 1;
          -moz-column-count: 1;
          column-count: 1;
          -webkit-column-width: 100%;
          -moz-column-width: 100%;
          column-width: 100%;
        }
      }

      @media (max-width: 400px) {
        .btn.filter {
          padding-left: 1.1rem;
          padding-right: 1.1rem;
        }
      }
      button.close {
        position: absolute;
        right: 0;
        z-index: 2;
        padding-right: 1rem;
        padding-top: .6rem;
      }