body{
  font-family: 'time new roman';
  font-size: 15px;
  margin: 0px;
  padding: 0px;
  background-color: #222020;
}

/* mise en forme bar titre */

header{
  width: 30%;
  padding: 5px;
  margin: 0 auto;
  margin-top: 15px;
  justify-content: center;
  border: solid #f78401;
  border-radius: 30px;
  background-color: rgba(000, 112, 192, 0.15);
}

header h1{
  color: #ffffff;
  margin-top: 0px;
  margin-bottom: auto;
  font-size: 50px;
  text-align: center;
  font-weight: normal;
}

header h2{
  color: #ffff00;
  font-size: 17px;
  margin-top: auto;
  margin-bottom: 0px;
  font-weight: normal;
  text-align: center;
}

/* mise en forme bar theme */

#theme{
  width: 700px;
  margin: 0 auto;
  margin-top: 10px;
  margin-bottom: 10px;
  padding-top: 5px;
  border-radius: 5px;
}

.theme1 h1{
  color: #ffffff;
  font-size: 25px;
  margin: 5px;
  padding: 8px;
  text-align: center;
  font-weight: normal;
  text-decoration: underline;
}

/* mise en forme bar études */

#etude{
  width: 80%;
  margin: 0 auto;
  margin-top: 15px;
  padding-top: 5px;
  border-radius: 10px;
  margin-bottom: 10px;
  background-color: rgb(102, 102, 102, 0.15);
}

.etude1 h1{
  color: #ffffff;
  font-size: 25px;
  margin: 0 auto;
  font-weight: normal;
  text-align: left;
  margin-top: 5px;
  margin-left: 10px;
  padding-bottom: 10px;
}

.etude1 h2{
  color: #ffffff;
  font-size: 25px;
  font-weight: normal;
  margin: 0 auto;
  text-align: left;
  margin-bottom: 5px;
  padding: 5px;
  border-radius: 10px;
  border: 0px solid rgb(46, 147, 241);
  border-left: 3px solid #378bf8;
  background-color: RGBa(46, 147, 1241, 0.15);
}

/* mise en forme pied de page */

footer{
  width: 80;
  font-size: 20px;
  margin: 0 auto;
  text-align: center;
  padding-top: 5px;
  border-radius: 5px;
  padding-bottom: 5px;
  background-color: grey;
}

@media screen and (max-width: 780px){

  /* mise en forme bar titre */

  header{
    width: 50%;
    padding: 5px;
    margin-top: 10px;
    border: 2px solid #f78401;
    border-radius: 20px;
  }
  
  header h1{
    font-size: 25px;
    text-align: center;
  }
  
  header h2{
    font-size: 8px;
  }
/* mise en forme bar theme */

#theme{
  width: 90%;
  margin-top: 5px;
  padding-top: 3px;
  margin-bottom: 5px;
}

.theme1 h1{
  font-size: 15px;
  margin: 10px;
  padding: 10px;
}

/* mise en forme bar études */

#etude{
  width: 100%;
  margin-top: 5px;
  padding-top: 5px;
  border-radius: 10px;
  margin-bottom: 5px;
}

.etude1 h1{
  font-size: 16px;
  margin-top: 5px;
  margin-left: 10px;
  padding-bottom: 10px;
}

.etude1 h2{
  font-size: 15px;
  margin-top: 5px;
  margin-left: 10px;
  padding-bottom: 10px;
}

footer{
  width: 100%;
  font-size: 14px;
  margin-top: 3px;
  padding-top: 3px;
}

}