body {
  background-color: #1a1a1a;
}

ul{
  margin: 0;
  padding: 0;
  list-style: none;
  display: inline-block;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

.current {
  border: 2px solid #fff !important;
}

        /*Filter*/

.filter-portfolio li {
  margin-right: 40px;
  border: 2px solid rgba(0,0,0,0);

}

.filter-portfolio {
  margin-left: 120px;
  margin-top: 20px;
  margin-bottom: 30px;
}

.filter-portfolio a {
  color: #fff;
  font-size: 18px;
  padding: 4px 8px 6px;
}

.filter-portfolio a:hover {
  text-decoration: none;
}


    /*Catigories*/

.portfolio-image img, .arrow-icon-link {
  -webkit-transition: all .35s ease-out;
  -moz-transition: all .35s ease-out;
  -ms-transition: all .35s ease-out;
  -o-transition: all .35s ease-out;
  transition: all .35s ease-out;
}

.portfolio-image {
  position: relative;
  
}

.portfolio-image img{
  width: 100%;
}

.portfolio-item {
  width: 25%;
  padding: 2px;
  overflow: hidden;
}


.overlay {
  background-color: #000;
  opacity: 0.5;
  -webkit-transform: scale(0.9);
  -moz-transform: scale(0.9);
  -ms-transform: scale(0.9);
  -o-transform: scale(0.9);
  transform: scale(0.9);
}

.arrow-icon {
  position: absolute;
  top: 25%;
  width: 100%;
  text-align: center;
  font-size: 70px;
}

.arrow-icon-opaciti {
  opacity: 0.7 !important;
}

.arrow-icon-link {
  color: #fff;
  opacity: 0;
}

.arrow-icon-link:hover {
  color: #fff;
  opacity: 1 !important;
}

.portfolio-meta {
  color: #fff;
  position: absolute;
  bottom: 0;
  -webkit-transform: translate3d(0,100%,0);
  -moz-transform: translate3d(0,100%,0);
  -ms-transform: translate3d(0,100%,0);
  -o-transform: translate3d(0,100%,0);
  transform: translate3d(0,100%,0);
  left: 0;
  width: 100%;
  text-align: center;
  padding: 25px 10px 30px;
  -webkit-transition: all .35s ease-out;
  -moz-transition: all .35s ease-out;
  -ms-transition: all .35s ease-out;
  -o-transition: all .35s ease-out;
  transition: all .35s ease-out;
  background-color: #454545;
  min-height: 60px;
  opacity: 0;
}

.portfolio-meta-hover {
  -webkit-transform: translate3d(0,0,0);
  -moz-transform: translate3d(0,0,0);
  -ms-transform: translate3d(0,0,0);
  -o-transform: translate3d(0,0,0);
  transform: translate3d(0,0,0);
  opacity: 1;
}

@media screen and (max-width: 1600px){
  .portfolio-meta {
    padding: 10px 6px 10px;
  }
  .portfolio-meta .title{
    font-size: 24px;
  }
  .portfolio-categories{
    font-size: 18px;
  }
}

@media screen and (max-width: 1200px){
  .filter-portfolio li a{
    font-size: 15px;
  }
  .portfolio-item {
    width: 33%;
  }
}

@media screen and (max-width: 992px){
  .filter-portfolio li a{
    font-size: 12px;
  }

  .filter-portfolio {
    margin-left: 26px;
  }
  .portfolio-item {
    width: 50%;
  }
}

@media screen and (max-width: 768px){
  .filter-portfolio {
    flex-direction: column;
    text-align: center;
  }
  .filter-portfolio li {
    margin-bottom: 5px;
  }
  .filter-portfolio li a {
    font-size: 15px;
  }
  .portfolio-meta .title{
    font-size: 18px;
  }
}

@media screen and (max-width: 576px) {
  .portfolio-item {
    width: 100%;
  }
}


/* fix 11.03.2019 */
.filter-link-group {
  padding: 0;
}

.filter-portfolio {
  -webkit-flex-wrap: wrap;
  -moz-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  -o-flex-wrap: wrap;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0;
  padding: 10px;
}

@media screen and (max-width: 768px) {
  .filter-portfolio {
    padding: 10px 10px 20px 10px;
  }

  .filter-portfolio li {
    margin: 0;
    padding-top: 3px;
    padding-bottom: 8px;
  }
}