html, body{scroll-padding-top: 100px;}

.hero{background-image: url(../img/hero.gif);}

.gallery{margin-bottom: 80px;}

.gallery-images{
    width: 100%;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    column-gap: 10px;
    row-gap: 25px;
}

.image{
    width: 100%;
    height: 200px;
    border: 1px solid #eee;
    overflow: hidden;
}
.image:hover{cursor: pointer;}

.image img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.image:hover img{transform: scale(1.03);}

.display{
    display: none;
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

.button-box{position: absolute}

.button-box button{
    background-color: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 10px;
    transition: color .3s;
}

.button-box button:hover{color: orange;}

.close-btn{
    top: 10px;
    right: 20px;
}

.back-btn{left: 10px;}
.next-btn{right: 10px;}

.left-arrow, 
.right-arrow{
    display: block;
    width: 25px;
    height: 25px;
    border-left: 4px solid white;
    border-top: 4px solid white;
    transition: border-color .3s;
}

.left-arrow{transform: rotate(-45deg)}
.right-arrow{transform: rotate(135deg)}

.button-box button:hover .right-arrow, 
.button-box button:hover .left-arrow{border-color: orange;}

.display-box{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.display-image{width: 100%;}

.display-image img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media(min-width: 425px){
    .gallery-images{
        grid-template-columns: repeat(2, 1fr);
    }

    .display-image{width: 90%;}
}

@media(min-width: 768px){
    .gallery-images{
        grid-template-columns: repeat(3, 1fr);
        column-gap: 20px;
        padding: 0 30px;
    }

    .back-btn{left: 30px;}
    .next-btn{right: 30px;}
    .display-image{width: 80%;}
    
}

@media(min-width: 1024px){
    .gallery-images{
        grid-template-columns: repeat(3, 1fr);
        padding: 0 40px;
    }

    .back-btn{left: 50px;}
    .next-btn{right: 50px;}

    .display-image{width: 70%;}

    .image{height: 220px;}
}