@charset "utf-8";
.Aft_Menu {
    height: 100;
    width: 285px;
    border-color: black;

}

html{
  height: 100%;
}
body{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
background-color: aliceblue;
}

.blokMenu {


width: 400px; /*задаем ширину блока*/



}