html {
    font-family: "Impact", sans-serif;
    color: #FF0000;
    background-image: url('images/flames.gif');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

.header {
    margin: auto;
    text-align: center;
}

.header-image_1 {
    position: relative;
    left: 300px;
}

.main_1 {
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 500px;
    height: 150px;
    text-align: center;
    margin: 40px auto;
}

.block_1{
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 500px;
    height: 300px;
    text-align: center;
    margin: 40px auto;
}

.block_2{
    text-align: center;
    margin: 40px auto;
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 700px;
    height: 500px;
}

.block_3{
    margin: 40px auto;
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 200px;
    height: 300px;
    position: relative;
    right: 400px;
}

.block_4{
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 250px;
    height: 225px;
    position: relative;
    left: 1000px;
}

.block_5{
    text-align: center;
    margin: 40px auto;
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    width: 700px;
    height: 750px;
}

.block_6{
    text-align: left;
    background-image: url('images/treadplate.jpg');
    width: 500px;
    height: 425px;
}

.block_title{
    text-align: right;
    background-image: url('images/treadplate.jpg');
    background-attachment: fixed;
    position: relative;
    left: 500px;
    width: 550px;
    height: 50px;
}

.block_7{
    position: relative;
    right: 500px;
    width: 2000px;
    margin: auto;
}