.contenedor-imagenes {
  margin: 0 auto;
  height: auto;
}

.contenedor-imagenes .columna {
  width: 32%;
  float: left;
  margin-left: 2px;
}

.contenedor-imagenes .imagen {
  margin-bottom: 2px;
}

.contenedor-imagenes .imagen a img {
  width: 100%;
}

.media__body {
  width: 100%;
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  position: relative;
  bottom: 84px;
  padding: 10px;
  background-color: #fff;
  opacity: 0;
  -webkit-transition: opacity 0.2s, -webkit-transform 0.3s;
  transition: opacity 0.2s, -webkit-transform 0.3s;
  transition: transform 0.3s, opacity 0.2s;
  transition: transform 0.3s, opacity 0.2s, -webkit-transform 0.3s;
}

.media__body a {
  width: 100%;
  color: black;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.proyecto:hover .media__body {
  -webkit-transform: scaleX(1);
  transform: scaleX(1);
  opacity: 1;
  -webkit-transition: opacity 0.1s, -webkit-transform 0.4s;
  transition: opacity 0.1s, -webkit-transform 0.4s;
  transition: transform 0.4s, opacity 0.1s;
  transition: transform 0.4s, opacity 0.1s, -webkit-transform 0.4s;
}