html, body {
            height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

.wrapper {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
}

.content-container {
    flex: 1 0 auto;
    display: flex;
}

footer {
    flex-shrink: 0;
}

#sidebar {
    min-width: 250px;
    max-width: 250px;
    transition: all 0.3s;
    z-index: 1000;
    height: 100%;
}

#sidebar.collapsed {
    margin-left: -250px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: #495057;
    text-decoration: none;
    transition: 0.3s;
}

.sidebar-link:hover, .sidebar-link.active {
    background-color: #e9ecef;
    color: #007bff;
}

.sidebar-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    #sidebar {
        margin-left: -250px;
        position: fixed;
        height: 100%;
    }
    
    #sidebar.active {
        margin-left: 0;
    }
    
    #content {
        width: 100%;
    }
    
    #sidebarCollapse {
        display: block;
    }
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 1; }
}

.blink {
  animation: blink 1s linear infinite;
}