header {
    align-items: center;
    position: fixed;
    height: 1.8rem;
    font-family:
        Bricolage Grotesque,
        sans-serif;
    z-index: 999;
    top: 0;
    font-size: 16px;
    width: 100%;
    border-bottom: transparent solid 1px;
    padding: 20px 0;
    letter-spacing: 0.05em;
    transition: 0.3s ease;
    vertical-align: middle;
}

header img {
    margin: 5px 0 0 100px;
}

header.shrunk {
    transition: 0.3s all ease;
    backdrop-filter: blur(30px);
    height: 1.5rem;
    border-color: rgba(24, 24, 24, 0.2);
}

.button-container {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}