* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: #dbdbdb;
    font-family: 'Ubuntu', sans-serif;
}

#social {
    background-color: black;
    color: white;
    height: 55px;
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1;
    font-size: 18px;
    text-align: right;
    padding: 15px;
}

font {
    float: left;
    letter-spacing: 2px;
}

span {
    font-size: 12px;
    letter-spacing: 1px;
}

#social > i {
    margin-right: 15px;

}

#social > i:hover {
    opacity: 0.8;
}

#container {
    width: 80%;
    margin: auto;
    height: auto;
}

header {
    width: 100%;
    height: 250px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    position: relative;
    color: black;
    font-family: 'Open Sans', sans-serif;
    font-size: 25px;
    background-color: black;
    margin-bottom: 5px;
}

#headerResim {
    width: 100%;
    height: 250px;
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    opacity: 0.8;
}

#centered {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}

section {
    width: 100%;
    height: auto;
    background-color: #f1f1f1;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
    margin-top: 15px;
    overflow: auto;
}

nav {
    width: 20%;
    float: left;
    margin-top: 10px;
    height: auto;
}

nav ul {
    width: auto;
    height: 100%;
    margin: 0;
    padding: 0;
}

nav li {
    list-style-type: none;
}

nav li a {
    height: 50px;
    line-height: 50px;
    text-decoration: none;
    color: black;
    border-bottom: 1px solid #b4b4b4;
    padding-left: 20px;
    display: block;
}

nav li a:hover {
    color: white;
    background-color: #adadad;
}

i {
    margin-right: 10px;
}

main {
    float: left;
    height: auto;
    width: 80%;
    padding: 10px;
}

.icerik {
    width: 48%;
    height: auto;
    display: inline-block;
    margin-right: 15px;
    border-radius: 15px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
    margin-bottom: 15px;
}

.rsm {
    width: 100%;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    transition: opacity 0.8s;
}

.rsm:hover{
    opacity: 0.6;
}

h5 {
    margin: 10px;
    color: dimgray;
}

.icerikText {
    margin: 10px;
    color: dimgray;
}

.btnDevam:link {
    display: block;
    width: 150px;
    height: 45px;
    padding: 10px 20px;
    background-color: #0071ce;
    text-decoration: none;
    margin: 15px;
    border-radius: 10px;
    color: white;
}

.btnDevam:hover {
    opacity: 0.8;
}

footer{
    width: 100%;
    height: 75px;
    background-color: black;
    color: white;
    line-height: 75px;
    text-align: center;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
}

h1{
    text-align: center;
    background-color: black;
    color: white;
    height: 50px;
    line-height: 50px;
    margin: 0 10px;
    border-radius: 10px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
}

#hakkimizdaRSM{
    width: 350px;
    height: 300px;
    float: left;
    border-radius: 10px;
    margin: 25px;
    margin-bottom: 10px;
    transition: opacity 0.8s;
}

#hakkimizdaRSM:hover{
    opacity: 0.6;
}

.hakYazi{
    margin-right: 15px;
    font-size: 15px;
    font-family: Cambria;
    text-indent: 40px;
    color: #494949
}

.referans{
    width: 45%;
    height: 400px;
    background-color: white;
    float: left;
    margin: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
}

.refResim{
    width: 100%;
    height: 250px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    opacity: 0.6;
    transition: opacity 0.8s;
}

.refBaslik{
    font-size: 20px;
    display: inline-block;
    margin-top: 0px;
    color: black;
    text-align: center;
    height: 45px;
    line-height: 45px;
    background-color: #f1f1f1;
    width: 100%;
    margin-top: -5px;
}

.refDetay{
    text-align: center;
}

.refResim:hover{
    opacity: 1;
}

.galResim{
    width: 22%;
    height: 200px;
    border-radius: 5px;
    opacity: 0.8;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
    margin: 10px;
    transition: all 0.6s;
    object-fit: cover;
}

.galResim:hover{
    opacity: 1;
    border: 5px solid white;
    cursor: pointer;
}

.link:link{
    text-decoration: none;
}

iframe{
    width: 98%;
    height: 350px;
    border-radius: 10px;
    margin-top: 10px;
    box-shadow: 0 2px 8px 2px rgba(20, 23, 28, .15);
    margin-left: 10px;
}

.section1{
    width: 98%;
    height: auto;
    margin: auto;
    margin-top: 10px;
    background-color: #f2f2f2;
    padding: 10px;
}

.form{
    width: 49%;
    float: left;
    height: 380px;
    border: 1px solid #d8d8d8;
    padding: 10px;
    margin-right: 10px;
}

.col25{
    width: 25%;
    float: left;
    margin-top: 6px;
}

.col75{
    width: 75%;
    float: left;
    margin-top: 6px;
}

label{
    padding: 12px 12px 12px 0px;
    display: inline-block;
}

input[type=text], textarea{
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.row:after{
    content: "";
    clear: both;
    display: block;
}

input[type=submit]{
    background-color: #4CAF50;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    float: right;
}

.adres{
    width: 49%;
    float: left;
    height: 380px;
    border: 1px solid #d8d8d8;
    padding: 10px;
    margin-right: 10px;
}

h2{
    text-align: center;
}

.span1{
    display: block;
    font-family:Calibri;
    margin: 10px;
    letter-spacing: 1.5px;
    text-align: center;
    font-size: 16px;
}