.header-container{
    background-color: white;
    position: fixed;
    top:0;
    left: 50%;
    border-radius: 0 0 20px 20px;
    box-shadow: 0px 4px 10px 0px #3F51B529;
    transform: translateX(-50%);
    z-index: 1;
    transition: all 0.8s ease;
}