.miga_custom_posts .boxes {
  display: flex;
  margin-top: 20px;
}

.miga_custom_posts .box {
  border: 1px solid #aaa;
  padding: 5px;
  margin: 0 10px 10px 0;
  position: relative;
  min-width: 220px;
  background-color: #fff;
}

.miga_custom_posts .box select {
  width: 100%;
  border: 1px solid #aaa;
}

.miga_custom_posts .add {
  border: 0;
  background-color: #6171ff;
  padding: 5px 10px;
  color: #fff;
  cursor: pointer;
  transition: 0.25s background-color;
}

.miga_custom_posts .add .eicon-plus-square {
  margin-right: 10px;
}

.miga_custom_posts .remove .eicon-trash-o {
  margin: 5px;
}

.miga_custom_posts .box .remove {
  position: absolute;
  top: 0px;
  right: 0px;
  border: 0;
  background-color: #f44;
  padding: 5px 10px;
  color: #fff;
  cursor: pointer;
  transition: 0.25s background-color;
}

.miga_custom_posts .box .remove:hover {
  background-color: #f22;
}