.header {
    text-align: center;
}

body{
    font-family: Arial, sans-serif;
    background-color:#f4f4f4;
    margin:40px;
}

h1{
    text-align:center;
    font-size: 48px;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif
}

.nav {
	top: 3em;
	left: 0;
	width: 100%;
	cursor: default;
}

.index-photo {
    float: right;
    padding: 0;
}

.gallery{
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
}

.photo{
    text-align: center;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.2);
}

img{
    width: 250px;
    height: auto;
    border-radius: 6px;
}

form{
    margin-top:30px;
    text-align:center;
    background:white;
    padding:20px;
    border-radius:8px;
}

.container{
    max-width: 1000px;
    margin: auto;
}

.gallery{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-top: 30px;
}

.photo{
    background: white;
    padding: 15px;
    margin: 15px;
    border-radius: 8px;
    box-shadow: 0px 0px 8px rgba(0,0,0,0.2);
    text-align: center;
    width: 280px;
}

.photo img{
    width: 100%;
    height: auto;
    border-radius: 5px;
}

.caption{
    margin-top: 10px;
    font-weight: bold;
}

.chatbox{
    margin-top: 30px;
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 8px rgba(0,0,0,0.2);
}

.main-nav{
    list-style: none;
    display: flex;
    background:#c3c3c3;
    padding: 20px;
    margin-top: 40px;
} 

.main-nav li{
    margin-right: 210px;
}

.main-nav a{
    color: rgb(22, 41, 82);
    text-decoration: none;
}

.main-nav a:hover{
    text-decoration: underline;
}

footer{
    background:#c3c3c3;
    padding: 20px;
    margin-top: 40px;
}

.footer-nav{
    list-style: none;
    display: flex;
    padding:0;
}

.footer-nav li{
    display: inline;
    margin-right: 210px;
}