.overlay {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-position: center;
    overflow-x: hidden;
    transition: 0.5s;
    overflow-y: scroll;
    /* Increase/decrease this value for cross-browser compatibility */
    box-sizing: content-box;
}

.overlay-content {
    position: relative;
    /* top: 10%; */
    width: 100%;
    text-align: center;
    margin-top: 30px;
    margin-left: 8.5px;
}

.page-menu a {
    /* padding: 8px; */
    text-decoration: none;
    font-size: medium;
    color: white;
    /* display: block; */
    transition: 0.3s;
}

.page-sous-titre {
    float: left;
    font-family: Futura-Medium;
    font-size: 20px;
}

.page-titre{
    text-align: left;
}

.overlay .closebtn {
    position: absolute;
    top: 10%;
    right: 24px;
    font-size: 42px;
}

.carousel-indicators li {
    width: 10px !important;
    height: 10px !important;
    border-radius: 100%;
    background: #7f7f7f;
}

.carousel-item {
    height: 562px
}

.overlay-image-item {
    filter: grayscale(100%);
    padding-right: 0px; 
    padding-left: 0px;
    cursor:pointer;
    outline: 10px solid #fff; 
    outline-offset: -10px;
    height:300px;
    background-size: cover;
}

.overlay-image-item:hover {
    filter: grayscale(0%);
}

.row-slider{
    margin-top: 5%;
}

#caroussel-projet{
    min-height: 510px;
}

@media screen and (max-height: 450px) {
    .overlay a {
        font-size: 20px
    }
    .overlay .closebtn {
        font-size: 40px;
        top: 15px;
        right: 35px;
    }
}