.container{
    max-width: 960px;
    margin: 0 auto;
    background:white;
    font-size: 24px;
    padding: 25px;
}
.parallarx{
    background: url('https://www1.racgp.org.au/getattachment/ec2f70c7-8474-4446-a5f1-1739f03e66d8/HbA1c-testing-for-type-2-diabetes-in-general-pract.aspx' ) center;
    background-size: cover;
    background-attachment: fixed;
    height: 500px;

}
body{
    background-color:white;
    line-height: 2rem;
}
h1{
    text-align: center;
    
}
h2{
    text-align: center;
}
h3{
    line-height: 2.5rem;
}
h4{
    left: 2.5rem;
    font-size: 17px;
}
.container2{
    max-width: 960px;
    margin: 0 auto;
    background: #f9f9f9;
    font-size: 24px;
    padding: 25px;
}
.parallax2{
    background: url('https://ssl.adam.com/graphics/multimedia/en/23526/23526ed.jpg' ) center;
    background-size: cover;
    background-attachment: fixed;
    height: 350px;
}
.parallax3{
    background: url('https://www.news-medical.net/images/news/ImageForNews_712505_16515844163432427.jpg' ) center;
    background-size: cover;
    background-attachment: fixed;
    height: 350px;
}
.parallax4{
    background: url('http://cornerstone-primary-care.com/wp-content/uploads/2020/09/prevention.jpg' ) center;
    background-size: cover;
    background-attachment: fixed;
    height: 350px;
}
p{
    line-height: 2rem;
    font-size: 18px;
}
table{
    width: 100%;
}
table ,td ,th{
    border: 1px solid;
    border-collapse: collapse;
    line-height: 2rem;
}