html {
  height: 100%;
}

body {
  height: 100%;
  overflow-y: scroll;
}
.centered_div {
  display: flex;
  justify-content: space-around;
}
.img-rounded {
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
  border-radius: 200px;
}
.small_box {
    font-size: 14px;
    color: #337ab7;
    margin: 10px;
  	border: 3px solid #888;
  	padding: 15px;
  	border-radius: 10px;
    box-shadow: 5px 10px 5px rgba(0, 0, 0, 0.4);
    background-color: #fff;
    display: flex;
    text-align: center;
}
.picture_box {
  margin: 0px;
  border: 3px solid #888;
  padding: 15px;
  border-radius: 25px;
  background-color: #eee;
}
.big_box {
  margin: 20px auto;
  border: 3px solid #888;
  padding: 15px;
  border-radius: 25px;
  box-shadow: 5px 10px 5px rgba(0, 0, 0, 0.4);
  background-color: #eee;
}
.big_box img {
  margin:auto;
}