This requires a lot of code,
/* Category filters */
.ba-gallery select.ba-select-filter {
background-color: #fff;
border: 1px solid #f3f3f3;
color: #999;
display: block !important;
font-size: 16px;
height: 50px;
width: 100%;
}
.ba-gallery-row-wrapper .row-fluid {
margin-bottom: 15px;
}
.ba-gallery .category-filter a.ba-filter,
.ba-gallery .category-filter a.ba-filter-active {
display: none;
}
.filter-modal-open .ba-row {
z-index: auto;
}
/* Tag & Color filters */
.equal-positions-tags ~ .row-fluid,
.equal-positions-tags ~ .ba-gallery-content-wrapper,
.ba-gallery-content:not(:first-child) {
width: 100%!important;
}
.equal-positions-tags {
background: #fff;
box-shadow: 0 15px 40px rgba(0,0,0,.15);
border-radius: 6px;
box-sizing: border-box;
left:0;
margin-left: 10%;
opacity: 0;
visibility: hidden;
overflow: hidden;
overflow-y: auto;
position: fixed;
padding: 0;
top: 0;
width: 80%;
z-index: 1050;
}
.filter-modal-open .equal-positions-tags{
transition: opacity .3s linear, visibility .3s .3s, margin-top .3s .3s;
}
.visible-filter-modal.equal-positions-tags {
margin-bottom: 20px !important;
margin-top: 20px !important;
opacity: 1;
transition: opacity .3s linear;
visibility: visible;
}
.gallery-tags-wrapper,
.gallery-colors-wrapper {
margin-top: 25px;
}
.equal-positions-tags > div {
box-sizing: border-box;
padding: 0 25px;
}
.ba-reset-filter {
margin-bottom: 25px !important;
}
.ba-filter-wrapper {
max-height: calc(100vh - 100px);
overflow-y: auto;
}
.equal-positions-tags + .filter-modal-backdrop.close-filter-modal {
background: #000;
bottom: 0;
left: 0;
opacity: 0;
visibility: hidden;
position: fixed;
right: 0;
top: 0;
z-index: 1040;
}
.filter-modal-open .equal-positions-tags + .filter-modal-backdrop.close-filter-modal {
transition: opacity .3s linear, visibility .3s .3s;
}
.filter-modal-open .visible-filter-modal.equal-positions-tags + .filter-modal-backdrop.close-filter-modal {
opacity: .56;
transition: opacity .3s linear;
visibility: visible;
}
a.show-filter-modal:hover,
a.show-filter-modal {
background-color: #fafafa;
border-radius: 3px;
border: none;
box-sizing: border-box;
color: #363637;
display: block;
font-size: 16px;
height: 50px;
margin-left: 10px;
margin-top: 20px;
padding: 15px 25px;
white-space: nowrap;
}
a.show-filter-modal:hover {
background-color: #e6e6e6;
}
.category-filter {
align-items: center;
display: flex;
}
.filter-modal-footer {
background-color: transparent;
border-top: 1px solid #f3f3f3;
bottom: 20px;
box-shadow: none;
display: flex;
padding: 0 !important;
text-align: center;
width: 100%;
}
.filter-modal-footer a:hover,
.filter-modal-footer a {
background: transparent;
box-sizing: border-box;
color: #363637;
display: inline-block;
float: left;
font: 500 16px/18px 'Roboto';
padding: 21px !important;
text-align: center;
text-transform: uppercase;
width: 100%;
}
.filter-modal-footer a:first-child {
border-right: 1px solid #f3f3f3;
background: #fff;
}
.filter-modal-footer a:last-child {
background: #1da6f4;
color: #fff;
}
Best Regards,
Vyacheslav, Balbooa Support Team