*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

section{
    padding: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-top:40px auto;
}

section ul{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
section ul li{
    list-style: none;
    background-color: #294851;
    padding: 12px 20px;
    margin: 5px;
   color:#f3f3f3; 
   border-radius: 1rem;
}
section ul li.active{
    background-color: rgb(239, 206, 128);
    color:#0e1846;
    border-radius: 1rem;
}
.gallery{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.gallery .itembox{
    position: relative;
    width: 250px;
    height: 250px;
    margin: 5px;
    display: block;
}
.gallery .itembox.hide{
    display: none;
    
}
.gallery .itembox img{
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
   
}
.gallery img:hover{
    box-shadow:3px 2px #eae2e2;
}


.image {
    display: block;
    width: 100%;
    height: auto;
  }
  
  .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #476d7a;
    opacity: 0.5;
    overflow: hidden;
    width: 100%;
    height: 0;
    transition: .5s ease;
  }
  
  .itembox:hover .overlay {
    height: 100%;
  }
  
  .text {
    color: rgb(255, 255, 255);
    font-size: 15px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
  }