.btn-outline-primary {
    color: #0d6efd;
    border-color: #0d6efd;
}

.btn-outline-primary:hover {
    color: #fff;
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-outline-secondary {
    color: #6c757d;
    border-color: #6c757d;
}
.btn-outline-secondary:hover {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-outline-success {
    color: #198754;
    border-color: #198754;
}
.btn-outline-success:hover {
    color: #fff;
    background-color: #198754;
    border-color: #198754;
}

.btn-outline-danger {
    color: #dc3545;
    border-color: #dc3545;
}

.btn-outline-danger:hover {
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn-outline-warning {
    color: #ffc107;
    border-color: #ffc107;
}

.btn-outline-warning:hover {
    color: #000;
    background-color: #ffc107;
    border-color: #ffc107;
}.href a{
    text-decoration: none;
}