* {
    text-decoration: none;
    margin: 0px;
    padding: 0px;
}

body {
    margin: 0px;
    padding: 0px;
    font-family: 'Open Sans',sans-serif;
	background-color: lightblue;
}

.wrapper {
    width: 1100px;
    margin: auto;
    position: relative;
}

.logo a {
    font-size: 50px;
    font-weight: 1000;
    float: left;
    font-family: courier;
    color: black;
	
}

.menu {
    float: right;
}

nav {
    width: 100%;
    margin: auto;
    display: flex;
    line-height: 80px;
    position: sticky;
    position: -webkit-sticky; 
    top: 0;
    background: #4682B4;
	
      opacity: 0.9;
    
    z-index: 1;
    
	box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

nav ul li {
    float: left;
}

nav ul li a {
    color: indigo;
    font-weight: bold;
	font-size: 20px;
    text-align: center;
    padding: 0px 16px 0px 16px;
    text-decoration: none;
}

nav ul li a:hover {
    text-decoration: underline;
}

section {
    margin: auto;
    display: flex;
    margin-bottom: 50px;
}

.kolom {
    margin-top: 150px;
    margin-bottom: 50px;
}

.kolom .judul {
    font-size: 65px;
    font-weight: bold;
    font-family: 'helvetica';
    color: #ffffff;
     text-align: center;
}

h1 {
    font-family: 'segoe ui';
    font-weight: 400;
    font-size: 20px;
    margin-top: 40px;
	margin-left: 0px;
	margin-bottom: auto;
	
    color: #F8F8FF;
    width: 100%;
    line-height: 0px;
	 text-align: left;
}

h2 {
    font-family: 'comic sans ms';
    font-weight: 800;
    font-size: 30px;
    margin-top: 40px;
	padding: 10px 0px 10px 0px;
	margin-bottom: 70px;
    color: #364f6b;
    width: 100%;
    line-height: 70px;
	 text-align: justify;
}

.foto {
    margin-top: 20px;
   }

a.tombol-biru {
    background: #48D1CC	;
    border-radius: 5px;
    margin-top: 20px;
	margin-top: 20px;
    padding: 10px 20px 10px 20px;
    color: #FFFFFF;
    cursor: pointer;
	font-size: 25px;
    
}

a.tombol-biru:hover {
    background: #3f72af;
    text-decoration: none;
}

p {
    margin: 10px 0px 10px 0px;
    padding: 20px 50px 20px 50px;
	font-size: 30px;
	text-align: justify;
}

.tengah {
    text-align: center;
    width: 100%;
}



}

#copyright {
    text-align: center;
    width: 100%;
    padding: 50px 0px 50px 0px;
    margin-top: 50px;
}

@media screen and (max-width: 991.98px) {
    .wrapper {
        width: 90%;
    }

    .logo a {
        display: block;
        width: 100%;
        text-align: center;
    }

    nav .menu {
        width: 100%;
        margin: 0;
    }

    nav .menu ul {
        text-align: center;
        margin: auto;
        line-height: 60px;
    }

    nav .menu ul li {
        display: inline-block;
        float: none;
    }

    section {
        display: block;
    }

    section img {
        display: block;
        width: 100%;
        height: auto;
    }
	img