body {
  margin: 0;
  font-style: normal;
  font-family: Arial;
  font-size: 10pt;
}
/*головне меню*/
.topmenu {
  display: flex;
  align-items: center;
	border-bottom: 1px solid black;
  background-color: #dadada;
  margin: 0;
}
.topmenu ul {
  list-style: none;
  display: inline-flex;
}
.topmenu ul li {
}
.topmenu ul li a {
  padding: 15px;
  text-decoration: none;
  color: #2a5c27
}
/*----------*/
main {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.aside {
  flex: 0, 0, 25%;
  order: 2;
}
/*бокове меню*/
.sidebar {

}
.sidebar ul {
  list-style: none;
}
.sidebar a {
  text-decoration: none;
  color: #2a5c27
}
/*----------*/
.article {
  flex-grow: 0;
  flex-shrink: 0;
  flex-basis: 65%;
  order: 1;
  margin: 20px;
  white-space: normal;
}