.grise {
 border:1px solid black; 
 background-color:silver;
 }
 
 
 body {
color:black;
background-color:white;
/*background-image:url(images/exdroitverybig.png);
background-repeat:no-repeat;
background-position:left-side;*/
}
 
 
h1, p {

 
  text-align: center;
  vertical-align: top;
  color:blue;
  width: 300px;
  
}



form {
  /* Just to center the form on the page */
  margin: 0 auto;
  width: 400px;

  /* To see the limits of the form */
  padding: 1em;
  border: 1px solid #CCC;
  border-radius: 1em;
}

div + div {
  margin-top: 1em;
}


label {
  /* To make sure that all label have the same size and are properly align */
  display: inline-block;
  width: 90px;
  text-align: right;
}

input, textarea {
  /* To make sure that all text field have the same font settings
     By default, textarea are set with a monospace font */
  font: 1em sans-serif;

  /* To give the same size to all text field */
  width: 300px;

  -moz-box-sizing: border-box;
       box-sizing: border-box;

  /* To harmonize the look & feel of text field border */
  border: 1px solid #999;
}

input:focus, textarea:focus {
  /* To give a little highligh on active elements */
  border-color: #000;
}

textarea {
  /* To properly align multiline text field with their label */
  vertical-align: top;

  /* To give enough room to type some text */
  height: 5em;

  /* To allow users to resize any textarea vertically
     It works only on Chrome, Firefox and Safari */
  resize: vertical;
}

.button {
  /* To position the buttons to the same position of the text fields */
  padding-left: 90px; /* same size as the label elements */
  vertical-align: bottom;
}

button {
  /* This extra magin represent the same space as the space between
     the labels and their text fields */
  margin-left: .5em;
}