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

*:focus{
    outline: none;
}

body{
    width:100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(45, 255, 220, 0.856);
    font-family: 'roboto', sans-serif;
}

.gallery{
    width: 80%;
    height: 90vh;
    max-width: 1600px;
    max-height: 800px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    
}

.gallery-image{
    width: 30%;
    height: calc(50% - 20px);
    min-width: 300px;
    min-height: 200px;
    margin: 10px;
    overflow: hidden;
}
.image{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 1s;
    border-radius: 1.2rem;
}


.popup{
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 80%;
    max-width: 1600px;
    height: 90vh;
    max-height: 800px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 5;
    overflow: hidden;
    transition: 1s;
    opacity: 0;
}
.popup.active{
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.popup.active .close-btn,
.popup.active .image-name,
.popup.active .index,
.popup.active .large-image,
.popup.active .arrow-btn{
    opacity: 1;
    transition: opacity 0.5s;
    transition-delay: 1s;
}


.top-bar{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height:50px;
    background: #000;
    color: #fff;
    text-align: center;
    line-height: 50px;
    font-weight: 300;
}

.image-name{
    opacity: 0;
}

 .close-btn{
    opacity: 0;
    position: absolute;
    top: 15px;
    right: 20px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #f00;
    cursor: pointer;
}

.arrow-btn{
    opacity: 0;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 10px;
    border-radius: 50%;
    border: none;
    background: none;
    cursor: pointer;
}



.left-arrow{
    left: 10px;

}

.right-arrow{

    right: 10px;
    transform: translateY(-50%) rotate(180deg);
    
}

.arrow-btn:hover{
    background: rgba(0, 0, 0, 0.5);
}

.index{
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 80px;
    font-weight: 100;
    color: rgba(255, 255, 255, 0.4);
}

.large-image{
    margin-top: 5%;
    width: 90%;
    height: 90%;
    object-fit: contain;
    opacity: 0;
    border-radius: 2rem;
    
}

.arrow-icons{
    max-height: 50px;
    max-width: 50px;
}