html, body {
    /*height: 100%;*/
    margin: 0;
    font-family: Trebuchet MS,Lucida Grande,Lucida Sans Unicode,Lucida Sans,Tahoma,sans-serif; 
    background-color: rgb(241,241,241);
}

.main-window {
    background-color: #f8f9fc;
}

.gal-main-ttl {
    /*font-weight: 800;*/
    padding: 2rem;
    text-align: center;
    /*background: -webkit-linear-gradient(to right, #363795, #005C97);*/
    /*background: linear-gradient(to right, #363795, #005C97);*/
}

.gallery-sec {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    flex-direction: row;
    text-align: center;
    padding: .5rem;
}

.gal-item {
    /*padding: .5rem;*/
    flex: 1 1 0px;
}

.gallery-info {
    color: #fff;
    margin-top: .5rem;
    background-color: #060d2b;
    /*box-shadow: 0 2px 4px #036;*/
    /*box-shadow: 0 3px 8px 0 rgba(58,69,100,.1);*/
    padding: 1rem;
    /*border-radius: 15px;*/
}

.gal-btn {
    border-radius: .25rem;
    background-color: #007bff;
    color: #fff;
    padding: .75rem;
    border: none;
    font-weight: bold;
    margin-bottom: .5rem;
}

.gal-btn:hover {
  cursor: pointer;
  background-color: #3861f9;
}

.gal-btn:focus {
  background-color: #3861f9;
}

.gal-sub-ttl {
    border-radius: 5px;
    font-weight: 600;
    padding: 1rem;
    /*background-color: #a6d1ff;*/
    /*border: 1px solid #4ca2ff;*/
}

.gal-h {
    font-size: 4rem;
    font-weight: 200;
}

/*.gal-item-ttl {*/
/*    font-weight: 600;*/
/*    padding: 1rem;*/
/*    background-color: #b7c6ff;*/
/*}*/

.gal-list {
    margin-top: 1rem;
    list-style: none;
    padding: 0;
}

.gallery-img {
    width: 100%;
    height: 100%;
}

@media (min-width: 992px) {
    .gallery-img {
        width: 90%;
    }   
}

@media (max-width: 991px){
    .gallery-sec {
        padding: .5rem;
        flex-direction: column;
    }
    
    .gal-main-ttl {
        border-radius: 0;
        margin-top: 0;
        margin-bottom: 0;
    }
}