.flex{
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
}

.flex.flex-center{
  justify-content: center;
  align-items: center;
}
.card-body{
  background: rgba(250, 126, 135,.5);
  border-radius: 15px;
  padding: 20px;
}
.btn-rudo{
  background: #cd4d55;
  border-color: #cd4d55;
  color: #fff;
}
.form-control::placeholder{
  color: white !important;
}