html {
    background: #000;
}
.bg-media {
    position: fixed;
    left: 0;
    top: 0;
    z-index: -100;
    width: 100%;
    height: 100%;
    background: #000 no-repeat center center fixed;
    background-image: url("bkg.jpg");
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    -webkit-transform: translate3d(0, 0, 0);
    -moz-transform: translate3d(0, 0, 0);
    -ms-transform: translate3d(0, 0, 0);
    -o-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    opacity: 100;
}
.bg-mask {
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    position: fixed;
    left: 0;
    top: 0;
    z-index: -50;
    width: 100%;
    height: 100%;
}
body {
    margin: 0;
    padding: 0;
}
.text-center {
    text-align: center;
}
.content {
    position: relative;
    color: #fff;
    font-family: 'Helvetica Neue';
    text-shadow: 0px 1px rgba(0, 0, 0, 0.6);
    -webkit-font-smoothing: antialiased;
    max-width: 600px;
    padding: 0px 10px;
    margin: 0 auto;
    margin-top: 10%;
}
.img-avatar {
    position: relative;
    border-radius: 500px;
    width: 100px;
    height: 100px;
    display: inline-block;
}
.img-avatar img {
    width: 96px;
    height: 96px;
    border-radius: 500px;
    padding: 2px;
    border: 2px solid #fff;
    position: absolute;
    left: 0;
    -webkit-transition: opacity 1s ease-in-out;
    -moz-transition: opacity 1s ease-in-out;
    -o-transition: opacity 1s ease-in-out;
    transition: opacity 1s ease-in-out;
}

.list-links {
    list-style-type: none;
    font-size: 32px;
    text-align: center;
    padding: 0;
}
.list-links li {
    display: inline;
    padding: 0px 3px 0px 3px;
}
.list-links a {
    color: white;
    text-decoration: none;
}
.btn {
    border: none;
    padding: 12px 20px;
    border: solid 3px white;
    background: transparent;
    font-size: 22px;
    transition: background 0.2s linear, color 0.3s ease-in;
    cursor: pointer;
    color: white;
    text-shadow: none;
    font-weight: bold;
}
.btn:hover {
    color: rgba(0, 0, 0, 0.8);
    border-color: white;
    background: white;
}