exercise_3.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

.container {
    width: 60%;
    margin: 5px auto;
}
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0px;
}

.navbar-items, .logo {
    display: inline-block;
    height: auto;
}

.logo {
    padding: 10px;
}
.navbar-items ul {
    list-style: none;
}

.navbar-items ul li {
    display: inline-block;
    padding: 10px;
}

.navbar-items ul li a {
    text-decoration: none;
    color: grey;
}

.banner {
    margin-left: -33.33%;
    margin-right: -33.33%;
}

.banner img {
    width: 100%;
}

.border-left {
    border-left: 1px solid #eee;
}

.product-display {
    margin: 40px 0px;
    padding:10px;
    text-align: center;
}

.title {
    font-weight: 600;
    font-size: 20px;
    margin: 30px 0px;
}

.title::before, .title::after {
    content: "";
    background-color: #eee;
    width: 150px;
    height: 1px;
    display: inline-block;
    vertical-align: middle;
    margin: 0px 10px;
}

.product-card {
   display: flex;
   justify-content: space-between;
   flex-wrap: wrap;
}

.card {
    width: 30%;
    border: 1px solid #eee;
    padding: 10px;
    margin: 5px 0px;
}

.card img {
    height: 260px;
}

.brand-display {
    padding: 10px;
    display: flex;
    justify-content: space-between;
}

.brand-card {
    width: auto;
    height: auto;
}

.brand-card > img {
  height: 61px;
  width: 125px;
}