@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&display=swap');

html {
    background: #f0f0f0;
    font-family: "Noto Sans", Arial, Helvetica, sans-serif;
}

header {
    background: #3a3a3a;
    height: 45px;
    border-radius: 10px;
    text-align: center;
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: inline-block;
}

li {
    margin: 0 auto;
    padding: 0;
    display: inline;
}

.links {
    display: inline-block;
    line-height: 45px;
    padding: 0px 14px;
    text-decoration: none;
    color: #FFFFFF;
    font-size: 20px;
}

    .links:hover {
        background: #5a5a5a;
    }

    main {
        display: flex;
        justify-content: center;
    }

.container {
    width: 800px;
}

img {
    width: 100px;
    height: auto;
}