html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

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

main {
    flex: 1;
}

footer {
    margin-top: auto;
    background-color: #f8f9fa;
    border-top: 1px solid #dee2e6;
    padding: 10px 0;
    text-align: center;
}

.chatList {
    list-style-type: none !important;
}