.portfolio {
    background-color: #fff;
    padding: 100px 15px;
}

.portfolio .container .row .title h1::before {
    left: 30%;
}

.filter-btn {
    flex: 0 0 100%;
    max-width: 100%;
}

.filter-btn ul {
    list-style: none;
    text-align: center;
    padding: 0;
}

.filter-btn ul li {
    color: #000;
    font-weight: 500;
    font-size: 15px;
    display: inline-block;
    margin: 0px 8px;
    text-transform: uppercase;
    cursor: pointer;
    padding-bottom: 0;
}

.filter-btn ul li.active {
    color: #5f88e0;
    border-bottom: 2px solid #5f88e0;
}

.filter-btn {
    margin-bottom: 25px;
}

.gallery {
    flex: 0 0 100%;
    max-width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.item {
    flex: 0 0 33.33%;
    max-width: 33.33%;
    position: relative;
    padding: 8px;
}

.inner {
    position: relative;
}

.item img {
    width: 100%;
    display: block;
}

.item .overlay {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 10;
    display: flex;
    flex-wrap: nowrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.5s ease;
}

.item:hover .overlay {
    opacity: 1;
}

.overlay .fa {
    height: 50px;
    width: 50px;
    background-color: #5f88e0;
    color: #fff;
    display: inline-block;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    cursor: pointer;
}

.item:hover .overlay .fa {
    animation: galleryIcon 0.8s ease;
    -webkit-animation: galleryIcon 0.8s ease;
}

@keyframes galleryIcon {
    0% {
        transform: translate(-20px);
        opacity: 0;
    }

    100% {
        transform: translate(0);
        opacity: 1;
    }
}

.overlay h4 {
    margin-top: 15px;
    font-size: 25px;
    font-weight: 600;
    color: #fff;
}

.item:hover .overlay h4 {
    animation: galleryText 0.8s ease;
    -webkit-animation: galleryText 0.8s ease;
}

@keyframes galleryText {
    0% {
        transform: translate(20px);
        opacity: 0;
    }

    100% {
        transform: translate(0);
        opacity: 1;
    }
}

.lightbox {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
}

.show {
    display: flex;
}

.hide {
    display: none;
}

.close-lightbox {
    height: 35px;
    width: 35px;
    background-color: #5f88e0;
    color: #fff;
    text-align: center;
    line-height: 35px;
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
    border-radius: 50%;
    z-index: 101;
}

.lightbox img {
    max-width: 90%;
    max-height: 80%;
    display: block;

}

.message {
    background-color: #01143e;
    padding: 40px 15px;
}

.message .message-text {
    flex: 0 0 66.66%;
    max-width: 66.66%;
}

.message .message-text h2 {
    font-size: 20px;
    color: #fff;
    font-weight: 400;
    margin: 0;
    padding: 0;
    line-height: 35px;
}