.mat-dialog-content {
  display: initial;
}

.form-group {
  position: relative;
}
.input-group-addon, .input-group-btn {
  position: absolute;
  top: 22px;
  right: 50px;
  font-size: 0;
  display: table-caption;
  width: 1%;
  white-space: nowrap;
  vertical-align: middle;
}
.btn-default{
  color: #333;
  background-color: #fff;
  border-color: #ccc;
  height: 33px;
}
.input-group-btn {
  margin-right: 1px;
}