.airback {
    width: 100%;
    height: 120px;
}

.header-section {
    display: flex;
}

.header {
    position: relative;
    margin: auto;
    background: none;
    z-index: 999;
    justify-content: center;
    top: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    border-right: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.2);
    /* transform: translate(-50%, 10%); */
    width: 90%;
    height: 80px;
    border-radius: 12px;
    text-align: center;
    color: #000000;
    line-height: 80px;
    font-size: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: all .3s;
}

.header a {
    text-decoration: none;
    color: gray;
    transition: all .3s;
}

.header a:hover {
    color: rgb(0, 132, 255);
}