body { background-color: #fff; color: #000; padding: 20px; margin: 0; font: 15px 'Montserrat'; }
.box { border-radius: 5px; padding: 20px; margin-bottom: 10px; }

#container { max-width: 1200px; margin: auto; }

#header {
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    grid-template-rows: 100px 50px;
    grid-column-gap: 0px;
    grid-row-gap: 0px;
}
#header #logo { grid-area: 1 / 1 / 2 / 2; }
#header #menu { grid-area: 1 / 2 / 2 / 3; text-align: center; }
#header #cart { grid-area: 1 / 3 / 2 / 4; text-align: right; }
#header #search { grid-area: 2 / 1 / 3 / 4; text-align: center; }