* {
    margin: 0;
    padding: 0;
}

body, html {
    height: 100%;
}

#container { 
    display: flex;
    width: 100%;
    height: 10%;
    background-color: blue;
    font-weight: 400px;
    justify-content: space-around;
}

.item-menu {
    margin: 10px 10px;
    padding: 10px 10px 8px 8px;
    border-radius: 5px;
}