.header-alert {
    position: relative;
    width: 100%;
    height: 128px;
    background-size: cover;
    background-position: center;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #252525;
    margin: 0;
    padding: 0;
    display: none;
}

.hero-block.show {
    display: flex;
}

.header-alert-content {
    text-align: center;
    color: #333;
    z-index: 2;
}

.text-bg {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 8px 16px;
    border-radius: 4px;
    display: inline-block;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.header-alert-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid #ddd;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    font-size: 20px;
    line-height: 30px;
    text-align: center;
    color: #333;
    cursor: pointer;
    z-index: 3;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.header-alert-close:hover {
    background-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.1);
    opacity: 1;
}