.container {
    width: 90%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding-bottom: 10px;
}
  
.main-contents {
    width: 70%;
    padding: 10px;
    border: 1px #ccc solid;
}
  
.side-menu {
    width: 20%;
    padding: 10px;
    background-color: #ccc;
}

.sticky{
    position: sticky;
    top: 50px;
}

footer{
	text-align: center;
	border-top: solid 1px #253958;
}

.sitemap td{
    cursor: pointer;
}

.header{
    text-align: center;
}

h2{
    margin: 40px 0 20px 0;
    border-bottom: 2px dotted #253958;
    padding: 0 0 5px 0;
    color: #253958;
    font-size: 1.3rem;
}

p {
    margin-left: 10px;
}

.input{
    margin:auto;
}

ul {
    list-style: none;
}
.center{
    text-align: center;
}