h2{
    color:blue;
    text-align: center;   
   }
   .gallery{
       background: linear-gradient(60deg,rgba(255,255,255,0.1),rgba(255,255,255,0.5));
       display: flex;
       flex-wrap: wrap;
       justify-content: space-evenly;
       list-style: none;
       padding: 20px;
       border-radius: 20px;
   }
   .thumbnail{
       border: solid 2px rgba(255,255,255,0.9);
       border-radius: 10px;
       overflow: hidden;
       box-shadow: 0 0 40px 1px rgba(0,0,0,0.7);
       cursor: pointer;
       max-height: 120px;
       max-width: 160px;
       margin: 10px;
       transform: scale(1);
       transition: transform 0.2s;
   }
   .thumbnail img{
       height: 100%;
       object-fit: cover;
       width: 100%;
   }
   .thumbnail:hover{
       transform: scale(1.15);
   }
   
   
   .big__view{
    align-items: center;
    max-width:100%;
   }
      
   .big__image{
    display: flex;
    flex-direction: column-reverse; 
    position: relative;
    max-width:100%;
    width:800px;
    height:auto;
   }

   .txt_image{
    color: white;
    font-size: 24px;
    bottom:10%;
    font-weight: bold;
    position: absolute;
    left: 50%;
  transform: translate(-50%, -50%);
}

   .big__close{
    padding: 5px, 7px;
    border-radius: 5px;
    align-self: center;
    font-size: 18px;
    margin-top: 20px;
    position: relative;

   }

   .big_arrow{
    position:absolute;
    top:70%;
    font-size: 24px;
    height: 50px;
    width: 50px;
    line-height: 50px;
    border-radius: 50%;
    border: solid 2px red;
    opacity: 0.5;
    cursor: pointer;

   }

   .big_r{
    right:10%;
   }

   .big_l{
    left:10%;
   }