html {
  margin: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: whitesmoke;
  background-image: url("../resources/Knitterpapier2.jpeg");
  background-repeat: no-repeat;
  background-position: left top;
  background-attachment: fixed;
  background-size: cover;
}

header {
  margin: auto;
  width: 660px;
}

h3 {
  color: #1f3b61;
}

#myCanvas {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

section img {
  max-width: 700px;
  width: 100%;
}

.red {
  color: red;
}

.center {
  text-align: center;
}

.construction-format {
  position: absolute;
  width: 450px;
  height: 300px;
  top: 50%;
  left: 50%;
  margin-top: -150px;
  margin-left: -225px;
  text-align: center;
}

.logo-center {
  padding: 10px 16px;
}

.menu-center {
  padding: 23px 16px;
  border-radius: 10px;
}

.topnav {
  overflow: hidden;
  z-index: 20;
}

.topnav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  text-decoration: none;
  font-size: 17px;
}

.menu a:hover {
  background-color: #ddd;
  color: black;
}

.menu a:active {
  background-color: #e28743;
  color: white;
}

.menu a.active {
  background-color: #1f3b61;
  color: white;
}

#products #products_menu,
#contact #contact_menu,
#projects #projects_menu,
#insights #insights_menu,
#about #about_menu {
  background-color: #1f3b61;
  color: white;
}

.topnav .icon {
  display: none;
}

.start {
  position: relative;
  text-align: center;
  margin-top: 100px;
  margin-bottom: 100px;
}

section {
  max-width: 700px;
  margin: 50px auto;
  background-color: #fff;
  padding: 30px;
  border-radius: 10px;
}

#portrait {
  width: 100%;
  max-width: 300px;
}

form {
  text-align: center;
}

label, span {
  display: block;
}

input, textarea {
  max-width: 300px;
  width: 100%;
  padding: 3px 6px;
  font-size: 1.25em;
}

input {
	height: 32px;
}

.error {
  color: #FF0000;
}

.email_sent {
  text-align: center !important;
  color: green !important;
  font-weight: bold !important;
}

footer p {
  text-align: center;
}

@media screen and (max-width: 660px) {

  header {
    width: 100%;
  }

  .menu a {
    display: none;
  }

  .hamburger a.icon {
    float: right;
    display: block;
    padding: 22px 16px;
  }

  #myCanvas {
    width: -webkit-fill-available;
  }

}

@media screen and (max-width: 660px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }

  .topnav.responsive a {
    float: none;
    display: block;
    text-align: center;
    background-color: #ddd;
    border-radius: 10px;
  }

  .topnav.responsive a:active {
    background-color: #e28743;
    color: white;
  }

}