style.css

.table {
  border: 1px solid rgb(116, 96, 96);
  text-align: center;
  font-weight: bolder;
  border-collapse: collapse;
  float: right;
  margin-top: 1rem;
}

thead {
  background-color: #4caf50;
}

th {
  padding: 5px;
  text-align: center;
  vertical-align: bottom;
  border: none;
}

.pre-scrollable {
  max-height: 400px;
}

.input-group {
  padding: 5 5 5 5;
}

.text-danger,
.text-success {
  font-weight: bold;
  text-align: center;
}

.label {
  margin-top: 10px;
}

.btn-primary {
  margin-top: 10px;
  margin-bottom: 10px;
}

.form-horizontal {
  margin-left: 10px;
  background-color: #17a2b852;
  border: 1px solid grey;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  border-radius: 8px;
  padding: 30px 10px 40px;
}

.badge {
  background: radial-gradient(#55ddff, #0081b5);
  margin-top: 10px;
  -webkit-box-shadow: 2px 2px 10px 1px rgba(50, 50, 50, 0.55);
  -moz-box-shadow: 2px 2px 10px 1px rgba(50, 50, 50, 0.55);
  box-shadow: 2px 2px 10px 1px rgba(50, 50, 50, 0.55);
  text-transform: uppercase;
}

.sign_in_up {
  justify-content: center;
  align-items: center;
  display: flex;
  text-align: center;
  margin: 30px;
}

.sign_in {
  display: block;
}

.sign_up {
  display: none;
}