html
body {
    width: 100%;
    height: 100%;
    font-family: "Open Sans","Helvetica Neue",Arial,sans-serif;
}

a {
    color: yellow;
    -webkit-transition: all .35s;
    -moz-transition: all .35s;
    transition: all .35s;
}

a:hover
a:focus {
    color: forestgreen;
}

p {
    font-size: 16px;
    line-height: 1.5;
}


header {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    min-height: auto;
    text-align: center;
    color: #fff;
    background-image: url('../images/Group 1.jpg');
    background-attachment:fixed;
    background-position: center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}



header .header-content {
    position: relative;
    width: 100%;
    padding: 100px 15px 70px;
    text-align: center;

}

header .header-content .header-content-inner h1 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 100px;
    font-weight: 300;
    color: black;
    opacity: 1;
}

header .header-content .header-content-inner div2 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 300;
    color: black;
    opacity: 1;
    }

header .header-content .header-content-inner p {
    margin-bottom: 50px;
    font-size: 18px;
    font-weight: 300;
    color: rgba(255,255,255,.7);
}

@media(min-width: auto) {
    header {
        min-height: 100%;
    }



    header .header-content .header-content-inner {
        margin-right: auto;
        margin-left: auto;
        max-width: 1000px;
    }

	header .header-content .header-content-inner h1 {
    	font-size: 100px;
		}

    header .header-content .header-content-inner p {
        margin-right: auto;
        margin-left: auto;
        max-width: 80%;
        font-size: 18px;
    }
}

-----------------------------------------------------------------------------

.container{
  background: url(bg.jpg) no-repeat center;
  background-size: cover;
  padding: 300px 40px;
  text-align: center;
  color: white;
}

.container p {
  max-width: 600px
  margin: 40px auto;
  font-size: 25px;
  font-weight: 300;
  }

.email-box{
height: 40px;
display: flex;
justify-content: center;
color: black;
}

.email-box i{
  background: #2f3542;
  color: white;
  width: 40px;
  font-size: 20px;
  line-height: 40px;
}
.email-box button{
  background: #2f3542;
  color: white;
  width: auto;
  height: 40px;

}


.tbox{
  width: 260px;
  height: 40px;

}



.btn{
  background: #2f3542;
  color: red;
  padding: 0 10px;
  text-transform: uppercase;
  cursor: pointer;

}
.form a{
  width: 60px;
  line-height: 60px;
  font-size: 40px;
  color: #18BBE6;
  opacity: 1;
}


-----------------------------------------------------------------------------

.section-heading {
    margin-top: 0;
    margin-bottom: 20px;
}

.deutschland {
width: 26px;
height: 15px;
background: #f00;
border-top: 5px solid #000;
border-bottom: 5px solid #fc0;

}

.videowrapper {
  position: relative;
  padding-bottom: 56.25%;
  padding-top: 25px;
  height: 0px;
  opacity: 1;
}

.videowrapper iframe {
  position: absolute;
  left: 0px;
  right: 0px;
  bottom: 0px;
  top: 0px;
  height: 100%;
  width: 100%;

}


.intro {
color: #fff;
  padding: 70px 0;
  opacity: 0.9;
  position: relative;
  width: 100%;
  min-height: auto;
  text-align: center;
  background-color: #40b4e2;
  background-attachment:fixed;
  background-position: center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;

    /* hintergrundbild mit bergen auch hier als fixen hintergrund, dann einfach das unter " .intro { " austauschen mit folgendem Code der übrigens aus dem Header ist. Gilt auch für alle anderen Abschnitte wie Content 1 bis x und Footer usw.

    position: relative;
    width: 100%;
    min-height: auto;
    text-align: center;
    color: #fff;
    background-image: url('../images/header.jpg');
    background-attachment:fixed;
    background-position: center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;


    zum transparent machen einfach austauschen mit:

    .intro {
  	color: #fff;
      padding: 70px 0;
      opacity: 0.7;
      position: relative;
      width: 100%;
      min-height: auto;
      text-align: center;
      background-image: url('../images/header.jpg');
      background-attachment:fixed;
      background-position: center;
      -webkit-background-size: cover;
      -moz-background-size: cover;
      background-size: cover;
      -o-background-size: cover;

      original:
      .intro {
      	color: #fff;
          background-color: yellowgreen;
          padding: 70px 0;
          opacity: 1;
          text-align: center;

    */


}

.kontakt1 {
	color: #fff;
    background-color: #222;
    text-align: center;

}

.umsetzung {
	color: #fff;
    background-color: #222;
    text-align: center;

}

/*
.content {
  position: relative;
  width: 100%;
  min-height: auto;
  text-align: center;
  color: #fff;
  background-image: url('../images/header.jpg');
  background-attachment:fixed;
  background-position: center;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  background-size: cover;
  -o-background-size: cover;
}

.content-2 {
	color: #fff;
    background-color: #222;
}

.content-3 {
	padding: 20px 0 40px;
	text-align: center;
}
*/

.promo,
.promo h3,
.promo a:link,
.promo a:visited,
.promo a:hover,
.promo a:active {
    color: white;
	text-shadow: 0px 0px 40px black;
    text-decoration: none;
}

.promo-item {
    height: 200px;
    line-height: 180px;
    text-align: center;
}

.promo-item:hover {
    background-size: 110%;
    border: 10px solid rgba(255,255,255,0.3);
    line-height: 160px;
}

.promo-item h3 {
    font-size: 40px;
    display: inline-block;
    vertical-align: middle;
}

.item-1 {
	background: url('../images/writing.jpg');
	}

.item-2 {
	background: url('../images/concert.jpg');
	}

.item-3 {
	background: url('../images/pencil_sharpener.jpg');
	}

.item-1,
.item-2,
.item-3 {
	background-size: cover;
	background-position: 50% 50%;
	}

.page-footer {
	text-align: center;
	}

.page-footer .contact {
	padding: 50px 0;
	background-color: #18BBE6;
  opacity: 0.8;
	color: #fff;
	}

.page-footer .contact p {
	font-size: 22px;
	font-weight: 300;
	}

.page-footer .small-print p {
  font-size: 15px;
}

.content-3 .glyphicon,
.page-footer .contact .glyphicon {
	font-size: 32px;
	font-weight: 700;
	}

.page-footer .small-print {
	padding: 10px 0 5px;
	font-weight: 300;
	}

.text-light {
    color: rgba(255,255,255,.7);
}

.navbar-default {
    border-color: rgba(34,34,34,.05);
    background-color: #fff;
    -webkit-transition: all .35s;
    -moz-transition: all .35s;
    transition: all .35s;
}

.navbar-default .navbar-header .navbar-brand {
    color: #18BBE6;
}

.navbar-default .navbar-header .navbar-brand:hover,
.navbar-default .navbar-header .navbar-brand:focus {
    color: yellowgreen;
}

.navbar-default .nav > li>a,
.navbar-default .nav>li>a:focus {
    color: #222;
}

.navbar-default .nav > li>a:hover,
.navbar-default .nav>li>a:focus:hover {
    color: yellowgreen;
}

.navbar-default .nav > li.active>a,
.navbar-default .nav>li.active>a:focus {
    color: rgba(255,255,255,.7);
    background-color: transparent;
}

.navbar-default .nav > li.active>a:hover,
.navbar-default .nav>li.active>a:focus:hover {
    background-color: transparent;
}

@media(max-width:600px){
    header .umsetzung p{
    font-size: 20px;
  }
}
@media(max-width:600px){
    header .kontakt1 p{
    font-size: 20px;
  }
}

@media(max-width:600px){
    header .header-content .header-content-inner h1{
    font-size: 50px;
  }
}

@media(max-width:600px){
    header .header-content .header-content-inner p{
    font-size: 20px;
  }
}

@media(max-width:600px){
    header .header-content .header-content-inner {
    margin-top: -40px;
   }
}


@media(max-width:600px){
    .intro h2{
    font-size: 30px;
  }
}

@media(max-width:600px){
    .intro p{
    font-size: 20px;
  }
}



@media(min-width:768px) {
    .navbar-default {
        border-color: rgba(255,255,255,.3);
        background-color: transparent;
    }

    .navbar-default .navbar-header .navbar-brand {
        color: rgba(255,255,255,.7);
        letter-spacing: 0.5em;
    }

    .navbar-default .navbar-header .navbar-brand:hover,
    .navbar-default .navbar-header .navbar-brand:focus {
        color: #fff;
    }

    .navbar-default .nav > li>a,
    .navbar-default .nav>li>a:focus {
        color: rgba(255,255,255,.7);
    }

    .navbar-default .nav > li>a:hover,
    .navbar-default .nav>li>a:focus:hover {
        color: #fff;
    }

    .navbar-default.affix {
        border-color: #fff;
        background-color: #fff;
        box-shadow: 0px 7px 20px 0px rgba(0,0,0,0.1);
    }

    .navbar-default.affix .navbar-header .navbar-brand {
        letter-spacing: 0;
        color: #18BBE6;
    }

    .navbar-default.affix .navbar-header .navbar-brand:hover,
    .navbar-default.affix .navbar-header .navbar-brand:focus {
        color: yellowgreen;
    }

    .navbar-default.affix .nav > li>a,
    .navbar-default.affix .nav>li>a:focus {
        color: #222;
    }

    .navbar-default.affix .nav > li>a:hover,
    .navbar-default.affix .nav>li>a:focus:hover {
        color: yellowgreen;
    }
}

.btn-default {
    border-color: #fff;
    color: #222;
    background-color: #fff;
    -webkit-transition: all .35s;
    -moz-transition: all .35s;
    transition: all .35s;
}

.btn-default:hover,
.btn-default:focus,
.btn-default.focus,
.btn-default:active,
.btn-default.active,
.open > .dropdown-toggle.btn-default {
    border-color: #eee;
    color: #222;
    background-color: #eee;
}

.btn-default:active,
.btn-default.active,
.open > .dropdown-toggle.btn-default {
    background-image: none;
}

.btn-default.disabled,
.btn-default[disabled],
fieldset[disabled] .btn-default,
.btn-default.disabled:hover,
.btn-default[disabled]:hover,
fieldset[disabled] .btn-default:hover,
.btn-default.disabled:focus,
.btn-default[disabled]:focus,
fieldset[disabled] .btn-default:focus,
.btn-default.disabled.focus,
.btn-default[disabled].focus,
fieldset[disabled] .btn-default.focus,
.btn-default.disabled:active,
.btn-default[disabled]:active,
fieldset[disabled] .btn-default:active,
.btn-default.disabled.active,
.btn-default[disabled].active,
fieldset[disabled] .btn-default.active {
    border-color: #fff;
    background-color: #fff;
}

.btn-default .badge {
    color: #fff;
    background-color: #222;
}


.btn-primary2 {
    border-color: white;
    color: #fff;
    background-color: #18BBE6;
    opacity: 0.8;
    -webkit-transition: all .35s;
    -moz-transition: all .35s;
    transition: all .35s;
}
.btn-primary2:hover,
.btn-primary2:focus,
.btn-primary2.focus,
.btn-primary2:active,
.btn-primary2.active,
.open > .dropdown-toggle.btn-primary2 {
    border-color: #1923D8;
    color: #fff;
    background-color: #1923D8;
    opacity: 1;
}

.btn-primary {
    border-color: white;
    color: #fff;
    background-color: #18BBE6;
    opacity: 0.9;
    -webkit-transition: all .35s;
    -moz-transition: all .35s;
    transition: all .35s;
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary.focus,
.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
    border-color: #1923D8;
    color: #fff;
    background-color: #1923D8;
    opacity: 1;
}

.btn-primary:active,
.btn-primary.active,
.open > .dropdown-toggle.btn-primary {
    background-image: none;
}

.btn-primary.disabled,
.btn-primary[disabled],
fieldset[disabled] .btn-primary,
.btn-primary.disabled:hover,
.btn-primary[disabled]:hover,
fieldset[disabled] .btn-primary:hover,
.btn-primary.disabled:focus,
.btn-primary[disabled]:focus,
fieldset[disabled] .btn-primary:focus,
.btn-primary.disabled.focus,
.btn-primary[disabled].focus,
fieldset[disabled] .btn-primary.focus,
.btn-primary.disabled:active,
.btn-primary[disabled]:active,
fieldset[disabled] .btn-primary:active,
.btn-primary.disabled.active,
.btn-primary[disabled].active,
fieldset[disabled] .btn-primary.active {
    border-color: yellowgreen;
    background-color: yellowgreen;
}

.btn-primary .badge {
    color: yellowgreen;
    background-color: #fff;
}


.btn {
    border-radius: 300px;
    text-transform: uppercase;
}

.btn-lg {
    padding: 15px 30px;
}

::-moz-selection {
    text-shadow: none;
    color: #fff;
    background: #222;
}

::selection {
    text-shadow: none;
    color: #fff;
    background: #222;
}

img::selection {
    color: #fff;
    background: 0 0;
}

img::-moz-selection {
    color: #fff;
    background: 0 0;
}

.text-primary {
    color: yellowgreen;
}

.bg-primary {
    background-color: yellowgreen;
}