/**
 * Grid container
 */
#tiles {
  list-style-type: none;
  position: relative; /** Needed to ensure items are laid out relative to this container **/
  margin: 0;
}

/**
 * Grid items
 */
#tiles li {
  background-color: #ffffff;
  border: 1px solid #F93;
  display: none; /** Hide items initially to avoid a flicker effect **/
  padding: 4px;
  -webkit-transition: all 0.8s ease-out;
     -moz-transition: all 0.8s ease-out;
       -o-transition: all 0.8s ease-out;
          transition: all 0.8s ease-out;
  -webkit-border-radius: 2px;
     -moz-border-radius: 2px;
          border-radius: 2px;
}

#tiles li.inactive {
  visibility: hidden;
  opacity: 0;
}

#tiles li img {
  display: block;
}

#filters {
  list-style-type: none;
  text-align: center;
  height: 50px;
  margin: 0 5% 0 5%;
}

#filters li {
  font-size: 12px;
  float: left;
  padding: 6px 0 4px 0;
  cursor: pointer;
  margin: 0 1% 0 1%;
  width: 100%;
  -webkit-transition: all 0.8s ease-out;
     -moz-transition: all 0.8s ease-out;
       -o-transition: all 0.8s ease-out;
          transition: all 0.8s ease-out;
  -webkit-border-radius: 3px;
     -moz-border-radius: 3px;
          border-radius: 3px;
}

#filters li.active {
  color: #21afff;
}

/**
 * Grid item text
 */
#tiles li p {
  color: #666;
  font-size: 12px;
  margin: 7px 0 0 7px;
}

/**
 * Some extra styles to randomize heights of grid items.
 */
#tiles ali:nth-child(3n) {
  height: 175px;
}

#tiles ali:nth-child(4n-3) {
  padding-bottom: 30px;
}

#tiles ali:nth-child(5n) {
  height: 250px;
}

/** General page styling **/

#main {
  padding: 60px 0 30px 0;
}

header h1 {
  text-align: center;
  font-size: 24px;
  font-weight: normal;
  margin: 30px 0 3px 0;
}

header p {
  text-align: center;
  font-size: 13px;
  color: #777;
  margin: 0;
}