#grille_projets {
    width: 100%;
    opacity: 0;
    transition: opacity 0.2s ease-in;
}

.grid-col {
    float: left;
    width: 100%;
}

/* 1 column by default, hide columns 2 & 3 */
.grid-col--2, .grid-col--3 { display: none }

/* 2 columns at medium size */
@media only screen and ( min-width: 768px ) {
    .grid-col { width: 50% }
    .grid-col--2 { display: block; } /* show column 2 */
}

/* 3 columns at large size */
@media only screen and ( min-width: 1080px ) {
    .grid-col { width: 33.333% }
    .grid-col--3 { display: block; } /* show column 3 */
}

.projet.grid-item {
    display: block;
    position: relative;
    margin: 0 7px 10px 7px;
}

.projet .overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: 0.5s ease;
}

.projet .overlay:hover{
    opacity: 100;
}

.projet .overlay .text {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
    font-weight: 200;
}

.spinner-overlay{
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}
.lds-roller {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}
.lds-roller div {
    animation: lds-roller 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
    transform-origin: 40px 40px;
}
.lds-roller div:after {
    content: " ";
    display: block;
    position: absolute;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgb(171, 171, 171);
    margin: -4px 0 0 -4px;
}
.lds-roller div:nth-child(1) {
    animation-delay: -0.036s;
}
.lds-roller div:nth-child(1):after {
    top: 63px;
    left: 63px;
}
.lds-roller div:nth-child(2) {
    animation-delay: -0.072s;
}
.lds-roller div:nth-child(2):after {
    top: 68px;
    left: 56px;
}
.lds-roller div:nth-child(3) {
    animation-delay: -0.108s;
}
.lds-roller div:nth-child(3):after {
    top: 71px;
    left: 48px;
}
.lds-roller div:nth-child(4) {
    animation-delay: -0.144s;
}
.lds-roller div:nth-child(4):after {
    top: 72px;
    left: 40px;
}
.lds-roller div:nth-child(5) {
    animation-delay: -0.18s;
}
.lds-roller div:nth-child(5):after {
    top: 71px;
    left: 32px;
}
.lds-roller div:nth-child(6) {
    animation-delay: -0.216s;
}
.lds-roller div:nth-child(6):after {
    top: 68px;
    left: 24px;
}
.lds-roller div:nth-child(7) {
    animation-delay: -0.252s;
}
.lds-roller div:nth-child(7):after {
    top: 63px;
    left: 17px;
}
.lds-roller div:nth-child(8) {
    animation-delay: -0.288s;
}
.lds-roller div:nth-child(8):after {
    top: 56px;
    left: 12px;
}
@keyframes lds-roller {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}