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, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}

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

body {
  line-height: 1;
  height: 100%;
  color: white;
  margin: auto;
}

ol, ul {
  list-style: none;
}

blockquote, q {
  quotes: none;
}

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

ins {
  text-decoration: none;
}

del {
  text-decoration: line-through;
}

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

img {
  width: 100%;
  height: auto;
}

/*début*/

.bg {
  background-image: url("img/catella-jll.jpg");
  height: 70%;
  width: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.cadre {}

.cadre>h2 {
  position: absolute;
  color: dimgrey;
  font-size: 20px;
  background-color: rgba(255, 255, 255, 0.5);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

}

body {
  font: 16px/1.4em 'PT Sans', sans-serif;
  ;
  color: #1c1c1c;
}

p, ul {
  margin: 0 0 1.5em;
}

ul {
  list-style: disc;
  padding: 0 0 0 20px;
}

a {
  color: #1D745A;
}

.wrapper {}


header {
  background: #1c1c1c;
  padding: 15px 20px;
}

header:before, header:after {
  content: "";
  display: table;
}

header:after {
  clear: both;
}

header {
  zoom: 1;
}

h1.logo a {
  color: #d8d8d8;
  text-decoration: none;
  font-weight: bold;
  text-transform: uppercase;
  line-height: 22px;
  float: left;
  letter-spacing: 0.2em;
}

a.to_nav {
  float: right;
  color: #fff;
  background: #4e4e4e;
  text-decoration: none;
  padding: 0 10px;
  font-size: 12px;
  font-weight: bold;
  line-height: 22px;
  height: 22px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  -webkit-border-radius: 2px;
  -moz-border-radius: 2px;
  border-radius: 2px;
}

a.to_nav:hover, a.to_nav:focus {
  color: #1c1c1c;
  background: #ccc;
}

#primary_nav ul {
  list-style: none;
  background: #1c1c1c;
  padding: 5px 0;
}

#primary_nav li a {
  display: block;
  padding: 0 20px;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  letter-spacing: 0.1em;
  line-height: 2em;
  height: 2em;
  border-bottom: 1px solid #383838;
}

#primary_nav li:last-child a {
  border-bottom: none;
}

#primary_nav li a:hover, #primary_nav li a:focus {
  color: #1c1c1c;
  background: #ccc;
}

/*pied de page*/

footer {
  font-family: 'PT Serif', serif;
  font-style: italic;
  text-align: center;
  font-size: 14px;
}

a.btn{
  font-size: 12px;
}

@media only screen and (min-width: 975px) {
a.btn{
  font-size: 20px;
}

.bg {
  background-image: url("img/catella-jll.jpg");
  height: 100%;
  width: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

  a.to_nav {
    display: none;
  }
  .wrapper {
    position: relative;
    margin: auto;
  }
  #primary_nav {
    position: absolute;
    top: 5px;
    right: 10px;
    background: none;
  }
  #primary_nav li {
    display: inline;
  }
  #primary_nav li a {
    float: left;
    border: none;
    padding: 0 10px;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    border-radius: 2px;
  }
  #primary_nav li.top {
    display: none;
  }

  #etage{
    top: 60px;
  }
  h1.page{
    padding-top: 20px;
  text-align: center;
  font-size: 24px;
  }

  .cadre>h2{
    padding: 50px;
  }

}


.btn {
  -webkit-border-radius: 5;
  -moz-border-radius: 5;
  border-radius: 5px;
  color: #1c1c1c;
  font-size: 20px;
  padding: 10px 20px 10px 20px;
  border: solid #1c1c1c 2px;
  text-decoration: none;
}

.btn:hover {
  background: #ac0c30;
  background-image: -webkit-linear-gradient(top, #ac0c30, ac0c30);
  background-image: -moz-linear-gradient(top, #ac0c30, ac0c30);
  background-image: -ms-linear-gradient(top, #ac0c30, ac0c30);
  background-image: -o-linear-gradient(top, #ac0c30, ac0c30);
  background-image: linear-gradient(to bottom, #ac0c30, ac0c30);
  text-decoration: none;
  color: white;
  border: white;
}

iframe{
      margin: 50 0 0 0;
      position: relative;
}

#etage{
  position: absolute;
  right: 0%;

}