* {
  margin: 0;
  padding: 0;
}
html, body {
 height: 100%; 
 font-family: arial;
 -webkit-box-sizing: border-box;
 -moz-box-sizing: border-box;
 box-sizing: border-box;
}
h2 {
  xbackground: blue;  
  xtext-align: center;
  margin: 0 auto 0 auto;
  font-size: 18px;
}
h3 {
  font-size: 26px;
  xcolor: red;
  xtext-align: center;
}
h4 {
  font-size: 15px;
  xcolor: red;
  margin: 0 0 20px 0;
}
h5 {
  font-size: 13px;
  xcolor: red;
  margin: 0 0 20px 0;
}
h6 {
  font-size: 12px;
  xcolor: red;
  margin: 0 0 10px 0;
}
.RE_adresse {
  font-size: 12px;
  xcolor: red;
  margin: 20px 0 5px 0;
}
p {
  font-size: 12px;
  xcolor: red;
  xtext-align: center;
  margin: 0 0 10px 0;
}
a {
  font-family: arial;
  font-size: 16px;
  color: green;
  text-align: center;
  text-decoration: none;
}
.text-align_left {
  text-align: left;
}
.text-align_center {
  text-align: center;
}
.display_block {
  display: block; 
}
.display_inline-block {
  display: inline-block; 
}
.display_table {
  display: table; 
}
.vertical-align_middle {
  vertical-align: middle;  
}
.fullHeight {
  height: 100%;  
}
.fullWidth {
  width: 100%;  
}
.width_initial {
  width: initial;  
}
.width200 {
   width: 200px; 
}
.container {
  xbackground-color: yellow; 
  xborder: 1px solid;
  max-width: 500px;
  xheight: 100%;
  margin: 0px auto 0 auto;
}
.container_child {
  xbackground: green; 
  xbackground: orange;  
  xwidth: 100%;
  xwidth: 300px;
  mxax-width: 400px;
  xheight: 100%;
  xheight: 50px;
  margin: 0px auto 0px auto;
  xdisplay: block;
}
.pageHL {
  margin: 50px 0px 30px 0px;  
  xtext-align: left;
}
.flexHorizontalAlignCenter {
 display: -webkit-flex;
 display: flex;  
 -webkit-justify-content: center;
 justify-content: center;
}
.flexHorizontalAlignLeft {
  display: -webkit-flex;
  display: flex;  
  -webkit-justify-content: flex-start;
  justify-content: flex-start;
}
.flexVerticalAlign {
  display: -webkit-flex;
  display: flex;
  x-webkit-justify-content: center;
  xjustify-content: center;
  /* senkrecht - eine Linie */
  -webkit-align-items: center;
  align-items: center;
}

.flex-direction_row {
  display: -webkit-flex;
  display: flex;
  /* Elemente waagrecht setzen */
  -webkit-flex-direction: row;
  flex-direction: row;
}
.flex-direction_column {
  display: -webkit-flex;
  display: flex;
  /* Elemente senkrecht setzen */
  -webkit-flex-direction: column;
  flex-direction: column;
}

/* Das Kontaktformular */ 
form {
  background-color: #c4ced3;
  border: 1px solid #8a9da8;
  xwidth: 370px; /* Breite des Formulars */
  xwidth: 100%;
  xmax-width: 500px;
  xpadding: 20px;

  xmargin-top: 0px;
  xpadding: 30px 0px 15px 30px;
  margin: 0px 0px 30px 0px;
  text-align: left;
  position: relative;

}
fieldset {
  background-color: white; 
  background-color: #c4ced3;
  border: none;
  xborder: 1px solid #8a9da8;
  border-bottom: 3px solid white; 

  padding: 30px 30px 15px 30px;
}

label {
  display: block;
  font-size: 12px;
  margin: 0 0px 1px 2px;
  cursor: pointer;
}
.radio label {
  display: inline-block;
  cursor: default;
}
.alter label {
  display: inline-block;
  margin: 0 0px 5px 2px;
}

xlabel x#alter {
  display: inline-block;
  display: table;  
  font-size: 12px;
  margin: 0 0px 1px 2px;
  cursor: pointer;
}
.interesse {
  xdisplay: inline-block;
xdisplay: block;
  margin: 0 0px 20px 0px;
xline-height: 1.1;
}
.alter {
  xdisplay: inline-block;
xdisplay: block;
  margin: 0px 0px 0px 0px;
xline-height: 1.1;
}

.interesse label {
  display: inline-block;
display: block;
  margin: 0 0px 10px 0px;
line-height: 1.1;
font-weight: 500;
}
input {
  xwidth: 250px;
  xheight: 7em;
  margin: 0 auto 10px auto;
}

.interesse input {
  display: inline-block;
display: inline;
  margin: 0 0px 1px 2px;
line-height: 1.1;
float: left;
}
input, textarea {
 xborder: 2px inset;
 xborder: 0.1em solid;
  margin: 0 auto 10px auto;
}
xinput:focus, textarea:focus {
  xbackground-color: #d9d9d9;
}
xinput[type="submit"] {
  xborder: 2px outset buttonface;
}
xinput[type="submit"]:focus {
  align-items: flex-start;
  xborder: 10px outset buttonface;
  xborder: 1px solid buttonface;
  xbackground-color: red;
  box-sizing: border-box;
}
input[type="radio"] {
  margin: 0px 15px 18px 3px;
}
.alter input[type="radio"] {
  margin: 0px 4px 18px 3px;
}
.alter select {
  margin: 0px 4px 18px 3px;
width: 200px;
text-align: center;
display: block;
}
.alter select option value {
  margin: 0px 4px 18px 3px;
width: 200px;
text-align: right;
display: block;
}

input[type="text"] {
  width: 250px;  
}
input[type="submit"] {
  xwidth: 100px;  
  cursor: pointer;
  text-align: left;
}
textarea {
  display: block;
  width: 100%; 
  xheight: 7em;
  margin: 4px 0 15px 0;
}

input#absender,
textarea {
  xwidth: 300px;
  xborder: 1px solid #8c8c8c;
  xmargin-bottom: 1em;
}

/* ===== Validation ===== */
.ui-state-error {
  background-color: #BB1100;
  color: white;
  color: silver;
}
x.ui-state-valid {
  background-color: blue;
  color: white;
  color: silver;
}
xrequired {
  background-color: green;
  color: white;
  color: silver;
}
x.required {
  background-color: green;
  color: white;
  color: silver;
}


.display_none {
  display: none;  
}
.message {
  background-color: transparent;
  color: red;
  xmargin-left:1em;
  xwidth: 20em;
  xborder: 1px;
  padding: 0px 4px 0px 4px;
  xfloat:left;
  font-size: 10pt;
  display: table;
  margin: -9px 0px 10px 0px;
}