.portfolio .item{
  /*width: calc(33% - 6px);*/
  overflow:hidden;
  height: fit-content;
  margin:3px;
  padding: 0;
  display:block;
  position:relative;
  float:left;
}
.portfolio img{
  width: 100%;
  transition-duration: .3s;
  max-width: 100%;
  display:block;
  overflow:hidden;
  cursor:pointer;
}
.portfolio .title{
  position:absolute;
  display:block;
  cursor:pointer;
  top: 35%;
  display: none;
  left: 50%;
  margin-right: -50%;
  transform: translate(-50%, -50%);
  font-weight: bold;
  font-size: 1.6em;
  transition: .3s all ease;
}
.portfolio .text{
  position:absolute;
  top: 70%;
  cursor:pointer;
  max-width: 80%;
  text-align:center;
  left: 50%;
  font-size: 1em;
  display:none;
  margin-right: -50%;
  transition: .3s all ease;
  transform: translate(-50%, -50%);
}
.portfolio .item:hover img{
  transform: scale(1.01);
  transition-duration: .3s;
  filter: brightness(50%) contrast(120%);
  opacity: .9;
}
.portfolio .item:hover .title{
  color:white;
  display: block;
  transition-duration: .3s;
}
.portfolio .item:hover .text{
  color:white;
  display: block;
  transition-duration: .3s;
}
@media only screen and (max-width: 900px) {
    .portfolio .item {
        /*width: calc(50% - 6px);*/
    }
}
@media only screen and (max-width: 400px) {
    .portfolio .item {
        /*width: 100%;*/
    }
}