body {
    margin: 0;
    font-family: Avantgarde, TeX Gyre Adventor, URW Gothic L, sans-serif;
  }
/*Bouton*/
#myBtn {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 48.5%;
  z-index: 99;
  font-size: 18px;
  border: none;
  outline: none;
  background-color:red;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 4px;
}

#myBtn:hover {
  background-color: #555;
}
/*Fin bouton*/

/*bar top*/
.top {
    position: relative;
    background-color: black;
    overflow: hidden;
    height: 75px;
  }
  .top-centered a {
    float: none;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
  }
  .top-centered {
    text-align: center;
  }

  /*menu top*/

  .topnav {
    position: relative;
    background-color: black;
    overflow: hidden;
    height: 50px;
    padding-top: 15px;
  }
  .topnav a {
    float: none;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
    position: relative;
    left: 39%;
    margin-left: auto;
    margin-right: auto;
  }
  .topnav-right{
    float: right;
    position: relative;
    padding-right: 50px;
    transform: translate(-50%, -50%);
    padding-bottom: 20px;
 }
  /* Change the color of links on hover */
.topnav a:hover {
    background-color:pink;
    padding-bottom: 15px;
    height: 80;
    color: black;
    border-radius: 25px;
  }

/* ---------Grid--------------------*/
.col-1 {width: 8.33%;}
.col-2 {width: 16.66%;}
.col-3 {width: 25%;}
.col-4 {width: 33.33%;}
.col-5 {width: 41.66%;}
.col-6 {width: 50%;}
.col-7 {width: 58.33%;}
.col-8 {width: 66.66%;}
.col-9 {width: 75%;}
.col-10 {width: 83.33%;}
.col-11 {width: 91.66%;}
.col-12 {width: 100%;}

* {
  box-sizing: border-box;
}

.row::after {
  content: "";
  clear: both;
  display: table;
}

[class*="col-"] {
  float: left;
  padding: 15px;
  position: relative;
}

.container {
background-color: lightgrey;
}

.container2 {
  background-color: black;
  text-align: center;
  height: 15%;
  color: white;
  position: relative;
  width: 100%;
  bottom: 0px;
  }
/* ---------End ofGrid-------------*/

/* ---------Sign Up/login-------------*/
* {
  box-sizing: border-box;
}

input[type=text], select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  resize: vertical;
}

input[type=password], select, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
  resize: vertical;
}

label {
  padding: 12px 12px 12px 0;
  display: inline-block;
}

input[type=submit] {
  background-color: grey;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 5%;
  margin-bottom: 5%;
  align-items: center;
  justify-content: center;
  width: 33%;
}

input[type=submit]:hover {
  background-color: pink;
}
.signup {
  text-align: center;
}

input[type=button] {
  background-color: grey;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 5%;
  align-items: center;
  justify-content: center;
  width: 33%;
}

input[type=button]:hover {
  background-color: pink;
}


/* ---------End of Sign Up/login-------------*/