.container {
    display: block;
    position: absolute;
    top:2.0em;
    left:0;
  width: 110%;
  padding: 0;
  margin: 19% auto;
}
.container .gallery a img {
  float: left;
  width: 10%;
  height: auto;
  border: none;
  -webkit-transition: -webkit-transform .15s ease;
  -moz-transition: -moz-transform .15s ease;
  -o-transition: -o-transform .15s ease;
  -ms-transition: -ms-transform .15s ease;
  transition: transform .15s ease;
  position: relative;
}
.container .gallery a:hover img {
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -o-transform: scale(1.05);
  -ms-transform: scale(1.05);
  transform: scale(1.05);
  z-index: 5;
}
.container .gallery a.big img {
  width: 15%;
}
.align-center {
  text-align: center;
}
.sidenav {
    height: 100%;
    width: 0;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    background-color: rgba(0,0,0,1.0);
    overflow-x: hidden;
    transition: 0.5s;
    padding-top: 60px;
}

.sidenav a {
    padding: 8px 8px 8px 32px;
    text-decoration: none;
    font-size: 25px;
    color: #00FF01;
    display: block;
    transition: 0.3s;
}

.sidenav a:hover {
    color: #FF2A14;
}

.sidenav .closebtn {
    position: absolute;
    top: 0;
    right: 25px;
    font-size: 36px;
    margin-left: 50px;
}
/*MEDIA QUERY MOBILE*/
@media screen and (max-width: 870px) {
.container {
    display: block;
    position: absolute;
    top:0;
    left:0;
  width: 100%;
  padding: 0;
  margin: 30% auto;
}
.container .gallery a.big img {
  width: 33%;
}

}
/*MEDIA QUERY MOBILE*/
@media screen and (max-width: 768px) {
.container {
    display: block;
    position: absolute;
    top:0;
    left:0;
  width: 100%;
  padding: 0;
  margin: 38% auto;
}
.container .gallery a.big img {
  width: 33%;
}

}
/*MEDIA QUERY MOBILE*/
@media screen and (max-width: 640px) {
.container {
    display: block;
    position: absolute;
    top:0;
    left:0;
  width: 100%;
  padding: 0;
  margin: 60% auto;
}
.container .gallery a.big img {
  width: 33%;
}

}

/*MEDIA QUERY MOBILE*/
@media screen and (max-width: 480px) {
.container {
    display: block;
    position: absolute;
    top:0;
    left:0;
  width: 100%;
  padding: 0;
  margin: 60% auto;
}
.container .gallery a.big img {
  width: 33%;
}

}
/*MEDIA QUERY MOBILE*/
@media screen and (max-width: 340px) {
.container {
    display: block;
    position: absolute;
    top:0;
    left:0;
  width: 100%;
  padding: 0;
  margin: 75% auto;
}
.container .gallery a.big img {
  width: 33%;
}

}