header { 
    background-color: #000;
    color: #fff; 
    position: fixed;
    width: 100%;
    /* margin-bottom: 500px; */
    top: 0;
    /* bottom: 0; */
}

header h1 {
    float: left;
    padding-left: 20px;
}

.nav-links {
    float: right;
    margin-top: 10px;
}

.nav-links ul li {
    display: inline;
    padding-right: 30px;
}

.nav-links ul li a{
    text-decoration: none;
    color: #fff;
    font-size: 20px;
}

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

body {
    /* height: 100vh;    */
    /* display: flex; */
    /* justify-content: center; */
    /* align-items: center; */
    margin: 0;
    padding: 0;
    /* background-color: #112066; */
    /* color:white/ */
}

section {
    margin-top: 100px;
    width: 100%;
    text-align: center
}

.intro {
    width: 60%;
    float: left;
}

.intro h2 {
    margin-bottom: 25px;
}

.img-wrap {
    width: 40%;
    float: right;
}

.img-wrap img {
    width: 90%;
    padding: 10px;
    border-radius: 50%;
    box-shadow: 0 0 10px #999999;
}

.clear {
    clear: both;
}

footer {
    background-color: #000;
    padding: 20px;
    /* margin: 0 */
}

.social-medias {
    /* width: 70%; */
    text-align: center;
    /* margin-left: 30px */
}

.social-medias a { 
    text-decoration:none;
    color: #fff; 
    letter-spacing: 10px;
    font-size: 30px;
    padding-right: 10px;
}

.social-medias a:hover {
    /* font-size: 35px; */
    text-decoration: none;
}