body {
  margin: 0;
}

img {
  height: 150px;
}
.main {
  display: flex;
}

#aside {
  margin-right: 100px;
}

#aside li {
  list-style: none;
  font-size: 17px;
  margin-bottom: 10px;
  border-left: 1px dashed;
  border-bottom: 1px dashed;
  padding: 5px;
}

.card {
  width: 250px;
  padding: 10px 15px;
  margin: 10px;
  border: 1px solid forestgreen;
}

.footer {
  width: 100%;
  background: darkgreen;
  height: 100px;
  position: absolute;
  bottom: 0;
}