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

body {
    line-height:1;
}

article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}

nav ul {
    list-style:none;
}

blockquote, q {
    quotes:none;
}

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

a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}

input, select {
    vertical-align:middle;
}

body {
  font-family: "Roboto", sans-serif;
  width: 100%;
}

.content {
  max-width: 50em;
  margin: auto;
  margin-top: 5em;
}

a img {
  width: 150px;
}

header {
  position: fixed;
  width: 100vw;
  top: 0;
  left: 0;
}

header .sticky {
  overflow: hidden;
  background-color: #3c424d;
  padding: 20px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Style the header links */
header p,
header a,
footer p {
  display: block;
  color: #ffffff;
  text-align: center;
  position: center;
  padding: 12px;
  text-decoration: none;
  font-size: 0.8em;
  line-height: 25px;
  border-radius: 4px;

  margin: auto;
}

/* Style the logo link (notice that we set the same value of line-height and font-size to prevent the header to increase when the font gets bigger */

header .logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #ffffff;
}

header .button {
	display: inline-block;
	height: 2.75em;
	line-height: 2.7em;
	padding: 0 1.5em 0 1.5em;
  margin-left: 1em;
	border-radius: 4px;
	text-decoration: none;
	font-weight: 600;
	border: solid 1px #575d69;
	white-space: nowrap;
}

header .phone {
  background-color: #e7746f;
}

header .mail:hover {
  color: #e7746f;
  border-color: #e7746f;
}


footer {
  width: 100vw;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background-color: #3c424d;
}

footer a {
  color: #e7746f;
	text-decoration: none;
}

footer a:visited {
  color: #e7746f;
}

footer a.active {
  background-color: dodgerblue;
  color: white;
}

@media screen and (max-width: 500px) {
  .content {
    max-width: 20em;
  }
}