stylee.css

img{
    max-width: 100%;
}

.header{
    background:#3498db;
}

.header-logo img{
    width:120px;
}

.primary-menu ul{
    text-align:right;
    list-style:none;
    margin-bottom:0;
}

.primary-menu ul li{
    display:inline-block;
    margin-left:-4px;
}

.primary-menu ul li a{
    display:block;
    color:#fff;
    padding:0 30px;
    font-size:20px;
    line-height:100px;
    border-right:1px solid
    #ddd;
    transition:.5s;
}

.header ul li:hover>a{
    background:#4f4f83;
}
.banner{
    background: url(/img/banner.jfif) no-repeat fixed;
    background-size: cover;
    padding:200px 0;
}
.about{
    background:#ecf0f1
}

.service{
    background:#f9f9f9;
}

.product-item p{
    font-size:18px;
}

.product-right ul {
    list-style:none;
    padding-left:0;
}

.product-right ul li{
    background:#f7f7f7;
    margin-bottom:10px;
    padding:10px;
    border-radius:5px;
    font-size:18px;
}

.footer{
    background: #2c3e50;
}
.footer p{
    margin-bottom: 0;
}
.footer a{
    color:#fff;
    margin-left:15px;
    display:inline-block;
}