html {
    margin: 0;
    background-color:rgb(222, 248, 249);
}
body {
  width: 100%;
  text-align: center; 
  font-family: Verdana, Arial, Helvetica, sans-serif;
  background-color:rgb(222, 248, 249);
}
#centerContainer { 
    max-width: 1280px; 
    text-align: left; 
    margin: 0px auto; 
}
hr {
    border-top: dotted 1px;
    color:lightgray;
}
img, video {
    width: 100%;
    height: auto;
}
header {
    height: 150px;
}
footer {
    height: 100px;
    text-align: right;
}

section {
    display: block;
    background: rgb(252, 247, 219);
    border-radius: 8px;
    padding: 10px;
}
   
.container {
}
.header_image {

}

.footer_text {
    margin-right: 50px;
}

.column {
    float: left;
    margin-top: 10px;
}
.left {
    width: 80%;
}
.right {
    width: 20%;
}
/* Clear floats after the columns */
.row:after {
    content: "";
    display: table;
    clear: both;
}

.block {
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 20px;
    padding-right: 20px;
}

.comment_a{
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 8px;
    margin-top: 10px;
    background: #E8E8E8;
}

.comment_b{
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 8px;
    margin-top: 10px;
    background: #F8F8F8;
}

.comment_c{
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 8px;
    margin-top: 10px;
    background: #FFFFF0;
}

.primary-button {
    padding: 10px 20px;
    background-color: rgb(154, 205, 220);
    color: black;
    border: none;
    cursor: pointer;
    width: 100%;
}

.nav-menu {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgb(154, 205, 220);
}

.nav-menu li {
    float: left;
}

.nav-menu li a {
    display: block;
    color: black;
    text-align: center;
    padding: 15px 15px;
    text-decoration: none;
}

.nav-menu li.right {
    float: right;
}