.com_guru #guru-component .view-course-detail .course-sidebar {
    border-radius: 4px;
    border: 1px solid #F4F4F4;
    background: #fff;
    padding: 36px;
    margin-top: -296px;
    max-width: 396px;
    position: sticky;
    top: 36px;
}
a.btn.btn-block.btn-primary {
    height: 47px !important;
}
/* Container positioning */
.uk-form-controls:has(#BIRTH) {
    position: relative;
}

/* Οδηγία ημερομηνίας κάτω από το πεδίο BIRTH */
.uk-form-controls:has(#BIRTH)::after {
    content: "Format: DD/MM/YYYY (e.g. 24/05/1998)";
    display: block;
    font-size: 12px;
    color: #666666;
    margin-top: 4px;
}