.form-control-square {
    display: block;
    width: 100%;
    height: 40px;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    opacity: 1 !important;
}

.form-control-square::-ms-expand {
    background-color: transparent;
    border: 0;
}

.form-control-square:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.input-group.is-invalid ~ .invalid-feedback {
    display: block;
}

.attendees .card, .calendar, .redeemables .card {
    margin-bottom: 10px;
}

.time-slots-selector-buttons .btn {
    margin: 0 6px 6px 0;
}