body {
font-family: sans-serif, helvetica, arial;
font-size: 16px;
line-height: 1.5;
padding: 0;
margin: 10px;
background-color: #ffffff;
}

/*container*/
.container{
width: 80%;
margin: auto;
overflow: hidden;
 position: relative;
}

ul{
margin:0;
padding:0:
}

.button_1{
height: 25px;
background: #e8491d;
border:0;
padding-left: 20px;
padding-right: 20px;
color: #ffffff;
}

.dark{
padding: 15px;
background: #35424a;
color: #ffffff;
margin-top:10px;
margin-bottom:10px;
}

/*header**/
header{
background: #000080;
color: #000000;
padding-top: 10px;
min-height: 50px;
border-bottom: #FFA500 3px solid;
}

header a{
color: #000000;
text-decoration: none;
text-transform: uppercase;
font-size: 16px;
font-family: Cursive;
font-weight: bold;
float: left;
}


header li{
float: left;
display: inline;
padding: 0 20px 0 20px;
}

header #branding{
float: right;
text-align: center;
font-size: 24px;
}

header #branding h1{
margin: 20px;
font-family:sans-serif;
font-size: 40px;
float:right;
position: relative;
top: 1px;
left: 10px;
}

header nav{
float: center;
margin-top: 10px;
}

header .highlight, header .current a{
color: #ffffff;
font-weight: bold;
}

header a:hover{
color: #cccccc;
font-weight: bold;
}

header{
padding-bottom:20px;
}

.logo img {
 height: 100px;

}

/*showcase*/

#showcase{
min-height:200px;
background:url('../img/.jpg') repeat 0 -100px ;
text-align:center;
color: #000000;
}

#showcase h1{
margin-top: 100px;
font-size: 55px;
margin-bottom: 10px;
font-family:Impact;
}

#showcase p{
font-size: 20px;
}

/*newsletter*/
#newsletter{
padding: 15px;
color: #ffffff;
background: #00008B;
}

#newsletter h1{
float: left;
font-size: 14px;
}

#newsletter form{
float: right;
margin-top: 15px;
}




#newsletter input(type='email'){
padding:4px;
height: 38px;
width: 250px;
float: left;
}

/*boxes*/
#boxes{
margin-top:20px;
box-sizing: border-box;
overflow: hidden;
display: flex;
}

#boxes .box{
float:left;
text-align:justify;
width:30%;
padding:10px;
position: relative;
box-sizing: border-box;
align-items: center;
font-family: sans-serif;
font-color:#ffffff;
}

#boxes .box img{
width:100%;
}

/*sidebar*/
aside#sidebar{
float: right;
margin-top: 10px;
width: 30%;
text-align:justify;
}

/*main-col*/
article#main-col{
float:left;
width:65%;
text-align:justify;
}

footer{
padding:20px;
marging-top:20px;
color:#ffffff;
background-color:#000080;
text-align:right;
font-weight:bold;
position: stcky;
}

/*media queries*/
@media (max-width:768px){
header#branding,
header nav,
header nav li,
#newsletter h1,
#newsletter form,
#boxes.box,
article#main-col,
aside#sidebar{
float:none;
text-align:center;
width:100%;
}

header{
padding-bottom:20px;
}

#showcase h1{
margin-top:40px;
}

#newsletter button{
display:block;
width:100%;
}

#newsletter form input(type="email"){
width:100%;
margin-bottom:5px;
}
}


.topnav {
  overflow: hidden;
  background-color: #00008B;
}

.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 12px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #04AA6D;
  color: white;
}

.topnav .icon {
  display: none;
}

@media screen and (max-width: 600px) {
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

@media screen and (max-width: 600px) {
  .boxes.responsive {position: relative;}
.box{
    float: right;
    display: block;
box-sizing: border-box;
  }
}


#image-container img {
  position: absolute;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

#image-container imgfirst-child {
  opacity: 1;
}

/* The navigation menu */
.navbar {
  overflow: hidden;
  background-color:#0000ff; 
}

.navbar a {
  float: left;
  font-size: 20px;
  color: white;
  text-align: center;
  padding: 12px 14px;
  text-decoration: none;
font-weight: bold;
}


.navbar highlight {
color: #0000ff;
font-weight: bold;
}

.navbar current a {
color: #0000ff;
font-weight: bold;
}


.subnav {
  float: right;
  overflow: hidden;
font-weight: bold;
}

.subnav .subnavbtn {
  font-size: 20px;  
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: cursive;
  margin: 0;
font-weight: bold;
}

.navbar a:hover, .subnav:hover .subnavbtn {
  background-color: orange;
}

.navbar: .highlight, header .current a{
color: #ffffff;
font-weight: bold;
}


.subnav-content {
  display: none;
  position: absolute;
  left: 0;
  background-color: orange;
  width: 100%;
  z-index: 1;
}

.subnav-content a {
  float: right;
  color: white;
  text-decoration: none;
}

.subnav-content a:hover {
  background-color: #eee;
  color: black;
}

.subnav:hover .subnav-content {
  display: block;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
  table-layout: fixed; /* optional, for equal spacing */
  border: 0px solid #ddd;
  background-color: #000080;
}

th, td {
  text-align: center;
  padding: 16px;
  font-weight: bold;
}

tr:nth-child(even) {
  background-color: #f2f2f2;
}

.row {
  margin-left:-5px;
  margin-right:-5px;
  width: 100%;
}
  
.column {
  float: left;
  width: 100%;
  padding: 1px;
}

/* Clearfix (clear floats) */
.row::after {
  content: "";
  clear: both;
  display: table;
}