html {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}

.section {
    margin-top: 50px;
    font-size: 16px;
}

/* main menu */

.menu-wrapper {
    margin: 0;
    padding: 15px;
    background-color: black;
    position: fixed;
    width: 100%;
    z-index: 9999;
}

.menu-list {
    text-align: right;
    margin-right: 100px;
}

.menu-element {
    text-decoration: none;
    display: inline-block;
    margin: 15px;
    font-size: 25px;
}

.menu-element > a {
    color: white;
    text-transform: uppercase;
    font-weight: bold;
    text-decoration: none;
}

.menu-element > a:hover {
    color: #0223b2;
    transition: 0.5s;
    text-transform: uppercase;
    text-decoration: none;
}

#logo {
    color: white;
    position: fixed;
    z-index: 99999;
    font-size: 25px;
    margin: 50px;
    text-transform: uppercase;
    font-weight: bold;
}

/* Header */

.header {
    height: 20vh;
    background-color: white;
    text-align: center;
}

.header-img {
    padding: 250px 0 0 150px;
}

.header > h1 {
    margin: 0;
    padding-top: 40vh;
    text-align: center;
    font-size: 120px;
}


.head-content {
    height: 20vh;
    position: absolute;
    padding-top: 300px;
    color: white;
    font-size: 34px;
    width: 100%;
    text-align: center;
}


/* ÃœBER */

.ueber {
    margin: 55px;
    margin-left: 150px;
}

/* How To*/

.howTo {
    height: 40vh;
    background-image: url(/Site/media/geometric-1732847_1920.jpg);
    text-align: center;
    color: white;
    padding: 150px;
}

.contact-btn {
    font-size: 24px;
    padding: 25px;
    border-radius: 100px;
    border: 2px solid white;
    background-color: transparent;
    color: white;
    cursor: pointer;
}

.contact-btn:hover {
    background-color: #0223b2;
    transition: 0.5s
}

/* referenzen */
.refSec {
    height: 10vh;
}


/* contact */
.contact {
    text-align: center;
}

.reference {
 text-align: center;   
}

/* reference */
.container {
  position: relative;
  width: 50%;
}

.image {
  opacity: 1;
  display: block;
  width: 100%;
  height: auto;
  transition: .5s ease;
  backface-visibility: hidden;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.container:hover .image {
  opacity: 0.3;
}

.container:hover .middle {
  opacity: 1;
}

.text {
  background-color: rgba(76, 175, 80, 0);
  color: #00146a;
  font-size: 16px;
  padding: 16px 10px;
}

/* Footer */

.footer {
    background-color: black;
    height: 15vh;
    
}