.header {
  background-color: grey;
  color: white;
  height: 45px;
  padding-left: 10px;
  padding-top: 0px;
}
.column {
  float: left;
  padding: 0px;
}
.clearfix::after {
  content: "";
  clear: both;
  display: table;
}
.menu {
  width: 150px;
  text-align: left;
}
.content {
  width: 75%;
  padding: 10px;
}
.menu ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}
.menu li {
  padding: 10px;
  margin-bottom: 0px;
  background-color: #33b5e5;
  color: #ffffff;
}
.menu li:hover {
  background-color: #0099cc;
}
.footer {
  background-color: blue;
  color: white;
  text-align: center;
  padding: 0px;
  height: 20px;
}
a {
  text-decoration: none;
}
table {
  border-collapse: collapse;
}