h1 {

}
.knopka {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index.png);
overflow:visible;
display:inline-block;
}

.knopka2 {
vertical-align:-30%;

}
.knopka:hover {
background-image:url(img/indexx.png);
overflow:visible;
}

.knopka3 {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index2.png);
overflow:visible;
display:inline-block;
}
.knopka3:hover {
background-image:url(img/indexx2.png);
overflow:visible;
}
.knopka4 {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index3.png);
overflow:visible;
display:inline-block;
}
.knopka4:hover {
background-image:url(img/indexx3.png);
overflow:visible;
}
.knopka5 {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index4.png);
overflow:visible;
display:inline-block;
}
.knopka5:hover {
background-image:url(img/indexx4.png);
overflow:visible;
}
.knopka6 {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index5.png);
overflow:visible;
display:inline-block;
}
.knopka6:hover {
background-image:url(img/indexx5.png);
overflow:visible;
}
.knopka7 {
border: 0px ridge black;
width:145px;
height:68px;
text-align: center;
background-image:url(img/index6.png);
overflow:visible;
display:inline-block;
}
.knopka7:hover {
background-image:url(img/indexx6.png);
overflow:visible;
}
.dvig{
background-image: url(img/t.jpg);
background-attachment: fixed;
}