owl/demo/app.scss

$navbar-height: 40px;
$main-color: #875A7B;

html {
    height: 100%;
}

body {
    height: 100%;
    margin: 0;
}

/* Web Client */
.o_web_client {
    font-family: sans-serif;
    height: 100%;
    display: grid;
    grid-template-rows: $navbar-height auto;
}

/* Navbar */
.o_navbar {
    background-color: $main-color;
    color: white;
    display: flex;
    line-height: $navbar-height;

    span.title {
        font-size: 24px;
        font-weight: bold;
        padding: 0 16px;
    }

    ul {
        list-style-type: none;
        display: inline-flex;
        height: 100%;
        margin: 0;
    }

    li {
        margin: 0 4px;
        font-size: 20px;
        &:hover {
            background-color: darken($main-color, 10);
        }
    }

    a {
        color: white;
        text-decoration: none;
        padding: 0 5px;

    }
}