.navbar a.galeria {
  background-color: #4fa3f0;
  color: white;
  border-radius: 5px;
}
.gallery
{
  padding-top: 180px;
  width: 75%;
  text-align: center;
  justify-content: center;
  margin:auto
}
body
{
  background-color: #4fa3f0;
}
.photos
{
  width: 100%;
  margin-left:auto;
  padding-top: 15px;
  padding-bottom: 30px;
}
.photos {    
  line-height: 0;       
   -webkit-column-count: 3;    
   -webkit-column-gap: 0px;    
   -moz-column-count: 3;
   -moz-column-gap: 0px;
    column-count: 3;    
    column-gap: 10px;    
}  
.photos img {    
  width: 100% !important;    
  height: auto !important;  
  padding: 5px;
}  
.photos{    
  display:inline-block;    
  margin-right: auto;    
  margin-left: auto;  
}

@media (max-width: 1000px) {
  .photos {
  -moz-column-count:    3;
  -webkit-column-count: 3;
  column-count:         3;
  }
 }  
@media (max-width: 800px) {
  .photos {
  -moz-column-count:    2;
  -webkit-column-count: 2;
  column-count:         2;
  }
 }  
@media (max-width: 400px) {
  .photos {
  -moz-column-count:    1;
  -webkit-column-count: 1;
   column-count:        1;
  }
 }