style.css

/* + + + + + + + + + + + + CSS RESET + + + + + + + + + + + + */
/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}

body {
	line-height: 1;
}

ol, ul {
	list-style: none;
}

blockquote, q {
	quotes: none;
}

blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}

table {
	border-collapse: collapse;
	border-spacing: 0;
}
/* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + */

#top-container {
    padding-top: 100px; /* same1 */
    min-height: 400px;;

    background-image: url("img/back.jpg");
    background-repeat:no-repeat;
    background-size:cover;
}

.navibar {
    height: 100px; /* same1 */
    margin-top: -100px; /* same1 */
    overflow: hidden;

    color: yellow;
    font-size: 40px;
    font-weight: 800;
    transition: height 0.35s;
    transition: font-size 0.35s;
}

.sticky {
    margin-top: 0;
    position: fixed;
    top: 0;

    width: 100%;
    height: 50px;
    font-size: 30px;
    font-weight: 600;
    transition: height 0.35s;
    transition: font-size 0.35s;
    background-image: linear-gradient(black, transparent);
}