//кнока-бургер
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Переключатель навигации">
    <span class="navbar-toggler-icon"></span>
  </button>
  <!---анимация кнопки)))-->
  <!-- .btn-card {
    color: #FFF;
    font-family: Ubuntu;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    display: flex;
    width: 143px;
    height: 50px;
    padding: 11px 21px;
    margin-top: 44px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    border-radius: 30px;
    background: #000;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    text-align: center;
}

.btn-card::before,
.btn-card::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: #FFF; /* Цвет линий */
    animation: drop 2s infinite linear; /* Анимация для линий */
}

.btn-card::before {
    top: 0;
}

.btn-card::after {
    bottom: 0;
}

@keyframes drop {
    0% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(10px);
    }
} -->