@charset "UTF-8";
* {
  box-sizing: border-box;
}
#container {
    width: 95%;
    padding: 10px;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
    background-image: url("../images/background.jpg");
    background-size: 500px 375px;
    background-repeat: no-repeat;
    background-position: bottom right;   
}
header {
  background-color: #666;
  color: #fff;
  border-bottom: 1px solid #2c9ab7;
  padding: 10px;
  width: 90%;
  margin-left: auto;
  margin-right: auto;
}
/* Container */
.container {
  width: 90%;
  margin-left: auto;
  margin-right: auto;
  background-color: #ddd;
  padding: 10px;
}
nav {
  background-color: #aaa;
  border-bottom: 1px solid #2c9ab7;
  padding: 5px;
}
nav ul li {
  list-style-type: none;
}
section {
  background-color: #bbb;
  border-bottom: 1px solid #2c9ab7;
  padding: 10px;
}
.parent {
  display: flex;
}
/*article one*/
.a1 {
  background-color: #ccc;
  flex: 50%;
  float: left;
  text-align: justify;
  font-weight: lighter;
  padding-left: 15px;
  padding-right: 15px;
  border-right: solid #999 1px;
}
/*article two*/
.a2 {
  background-color: #ccc;
  flex: 50%;
  float: right;
  text-align: justify;
  font-weight: lighter;
  padding-left: 15px;
  padding-right: 15px;
}
aside {
  width: 40%;
  float: right;
  margin: 10px;
  padding: 5px;
  border: solid black 2px;
  font-style: italic;
  font-size: 120%;
}
footer {
  background-color: #000;
  color: #fff;
  padding-top: 10px;
  padding-bottom: 10px;
  text-align: center;
}
.floatLeft {
  float: left;
  margin: 5px;
}
.floatRight {
  float: right;
  margin: 15px;
}
.clear {
  clear: both;
}