header {
    display: flex;
    background-color: #000;
    color:white;
    align-items: center;
}

.logo {
    width: 200px;
    margin: 10px;
}

.logout-button {
    background-color: #e8f0fe;
    padding: 6px 12px;
    border-radius: 4px;
    color: #333;
    font-weight: bold;
}

.header-container li a{
    color: #fff;
}

.header-left {
    display: flex;
    flex: 1 0 0%;
    padding-left: 16px;
    width: auto;
}

.header-center {
    display: flex;
    flex: 1 0 auto;
    width: auto;
    justify-content: center;
}

.header-right {
    display: flex;
    padding-right: 16px;
    flex: 1 0 0%;
    width: auto;
    flex-flow: row-reverse;
}