body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
    /*center the content of the page */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;

}

#tel {
  display : none;
}
nav {
  display: flex;
  flex-direction: row ;
  justify-content: center;
  height: 80px;
  width : auto;

}

input {
  display: none;
}
nav a {
  margin: 0 2rem;
  text-decoration: none;
  color : grey;
  font-size: 1.5rem;
  font-weight: bold;
}

nav li {
  list-style: none;

}

/* row align element of the menu */
ul {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0;
  margin: 0;
  margin-top: 2rem;
}

#Img1Inner {
  width: 80%;
  height: 50%;
  object-fit: cover;
  
}

h1 {
  
  margin-top: 2rem;
  width: 80%;
}

#sub {
  width: 80%;
}





span {
  font-weight: bold;
  color: #0000ff;
  text-decoration: underline;
}

#Text2 {
  margin-top: 2rem;
  width: 80%;
  margin-bottom: 2%;
}

h4 {
  text-decoration: underline;
}


/* version mobile de index.html */
@media (max-width: 900px) {

  body {
    width : 90%;
    margin-left:auto;
    margin-right:auto;
  }
 

  #Img1Inner {
    width: 100%;
  }

  h1 {
    width: 100%;
  }

  #sub {
    width: 100%;
  }


  #Text2 {
    width: 100%;
    margin-top : 0;
  }


#tel{
  display : flex;
  position: fixed;
  height: 30px;
  width: 30px;
  top: 50px;
  left: 10px;
  z-index: 1;
}
/*gestion menu */

  ul {
    width : 0%;
    list-style-type: none;
  }
  
  
  #menuToggle {
    display: flex;
    flex-direction: column;
    /* at the left of the screen */
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1;
    -webkit-user-select: none;
    user-select: none;
  }
  
  #menuToggle input
  {
    display: flex;
    width: 100%;
    position: fixed;
    cursor: pointer;
    opacity: 0;
    z-index: 2;
  }
  
  #menuToggle span
  {
    display: flex;
    width: 29px;
    height: 2px;
    margin-bottom: 5px;
    position: relative;
    background: #000000;
    border-radius: 3px;
    z-index: 1;
    transform-origin: 5px 0px;
    transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
                background 0.5s cubic-bezier(0.77,0.2,0.05,1.0),
                opacity 0.55s ease;
  }
  
  #menuToggle span:first-child
  {
    transform-origin: 0% 0%;
  }
  
  #menuToggle span:nth-last-child(2)
  {
    transform-origin: 0% 100%;
  }
  
  #menuToggle input:checked ~ span
  {
    opacity: 1;
    transform: rotate(45deg) translate(-3px, -1px);
    background: #36383F;
  }
  #menuToggle input:checked ~ span:nth-last-child(3)
  {
    opacity: 0;
    transform: rotate(0deg) scale(0.2, 0.2);
  }
  
  #menuToggle input:checked ~ span:nth-last-child(2)
  {
    transform: rotate(-45deg) translate(0, -1px);
  }
  
  #menuiu
  {
    display: flex;
    flex-direction: column;
    position: absolute;
    width: 180px;
    height: 400px;
    box-shadow: 0 0 10px #85888C;
    margin: -50px 0 0 -50px;
    padding: 50px;
    padding-top: 125px;
    background-color: #F5F6FA;
    -webkit-font-smoothing: antialiased;
    transform-origin: 0% 0%;
    transform: translate(-100%, 0);
    transition: transform 0.5s cubic-bezier(0.77,0.2,0.05,1.0);
  }
  
  #menu li
  {
    padding: 10px 0;
    transition-delay: 2s;
  }
  
  #menuToggle input:checked ~ ul
  {
    transform: none;
  }
}