html {
    scroll-behavior: smooth;
}

body {
    background-color: #070707;
}

.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); 
}

.item {
    overflow: hidden;
    padding: 10px;
}

.item img {
    max-width: 100%;
    transition: transform ease 1s;
    filter: grayscale(0.9);
}

img:hover {
    transform: scale(1.3);
    filter: none;
}

@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;
    }
    . {
        font-size: 3rem;
    }

}

.btn-outline-black {
    color: #ffffff;
    background-color: transparent;
    border: 2px solid #ffffff;
    font-size: 1rem;
}
.btn-outline-black:hover {
    color: #ff00dd;
    background-color: transparent;
    border: 2px solid #ff00dd;
}
.btn-outline-black:active {
    color: gold;
    background-color: transparent;
    border: 2px solid gold;
}

.btn[class*="btn-outline-"] {
    padding-top: .7rem;
    padding-bottom: .7rem;
}

@media (max-width: 400px) {
    .btn.filter {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
    }
}

.waves-effect {
    position: relative;
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.retour {
    color: #ffffff;
    margin: 10px 0 0 15px;
    display: flex;
    align-items: center;
}
.retour img {
    padding-bottom: 15px;
}
/* ---- Ancre ---- */
.ancre a {
    background-color: #000000c7;
	border-radius: 50%;
	bottom: 3%;
	box-shadow: 2px 1px 10px 0px rgba(0,0,0,0.5);
	left: 94%;
	position: fixed;
	height: 50px;
	width: 52px;
	z-index: 99;
}
.ancre img {
	margin: 3px 3px;
	width: 90%;
}