* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
ul,li {
  list-style: none;
}
.container {
  width: 900px;
  margin: 0 auto;
}

.clearfix::after {
  content: "";
  display: block; d
  clear: both;
}
.picture {
  position: relative;
  /* border: 1px solid gray; */
}
.picture .item {
  position: absolute;
  padding: 0 0 10px 0;
  width: 280px;
  margin: 10px;
  border: 1px solid #dfdfdf;
  background: #fff;
  opacity: 0;
  transition: all .8s;
}

.item img {
  width: 260px;
  margin: 10px;
}
.item .title {
  height: 25px;
  margin: 0 12px;
  border-bottom: 1px solid #dbdbdb;
}
.item .info {
  font-size: 12px;
  line-height: 1.8;
  margin: 10px 15px 0;
  color: #aaa;
}
#load {
    visibility: hidden;
}

/* Water Fall */

.waterfall {
  /* max-width: 600px;
  margin: 0 auto; */
}
@media screen and (min-width:800px){
.waterfall img {
  position: absolute;
  width: 30%;
  margin: 10px;
  /* 布局transition效果 */
  transition: all .4s;
}
}
@media screen and (max-width:799px){
.waterfall img {
  position: absolute;
  width: 42%;
  margin: 10px;
  /* 布局transition效果 */
  transition: all .4s;
}
}