*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
  }

/*****************************************************************************************************************************************/
/*                                                        ENIGME                                                                         */
/*****************************************************************************************************************************************/
h1{
    color: white;
    font-size: 2.5em; 
 } 

.question{
    text-align: center;
    margin-top: 20px;
}

.enonce{
    text-align: center;
    margin-top: 80px;
}

.sherlock{
    transform: scaleX(-1);
    position: fixed;
    margin-left: 78%;
    top: 30%;
}

.pensif{
    position: fixed;
    margin-left: 15%;
    top:33%
}

#textIndice{
    text-align: center;
    margin-top: 30px;
}

#indice{
    opacity: 0.00001;
    position: fixed;
}

#indice:hover{
    opacity: 1;
}

#solution{
    text-align: center !important;
    margin-top: 40px;
    position: static;
}

#btnSolution{
    margin-top: 120px;
    border-radius: 10%;
    background: linear-gradient( #555, #2C2C2C);
    border: none;
    width: 150px;
    height: 80px;
    text-shadow: 0px 1px 0px rgba( 255, 255, 255, 0.2);
    box-shadow: 0 0 5px rgba( 0, 0, 0, 0.5);
    box-shadow: 0 -1px 0 rgba( 255, 255, 255, 0.4);
}

#btnSolution:hover{
    color: #222;
    background: #555;
    background: linear-gradient( #777, #333);
}

#btnSolution:active{
    color: #000;
    background: #444;
    background: linear-gradient( #555, #2C2C2C);
    box-shadow: 1px 1px 10px black inset;
    box-shadow: 0 1px 0 rgba( 255, 255, 255, 0.4);
}

@media only screen and (max-width: 1300px){
    .sherlock{
        margin-left: 70%;
    }

    .pensif{
        margin-left: 9%;
    }
}

@media only screen and (max-width: 900px){
    .sherlock{
        visibility: hidden;
    }

    .pensif{
        visibility: hidden;
    }
}

/*****************************************************************************************************************************************/
/*                                                        HEADER                                                                         */
/*****************************************************************************************************************************************/


header{ /* correspond à la bande orange en haut */
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #FA7C50;
    height: 10vh;
    padding: 10px 20px;
  }
  
  .logo-nav a img{ /* correspond au logo toolbox en haut à gauche */
    width: 50px;
    height: 50px;
  }
  
  .logo-nav a img:hover{ /* correspond au logo toolbox en haut à gauche lorque l'on passe la souris dessus*/
    transform: scale(1.1);
  }
  
  .nav-title { /* correspond au titre "Piano" dans la bande orange en haut */
    color: #fff;
    font-size: 2.5em;
  }
  
  .return-img a img { /* correspond au logo retour en haut à droite */
    width: 3vw;
    height: 5vh;
  }
  
  .return-img a img:hover{ /* correspond au logo retour en haut à droite lorque l'on passe la souris dessus*/
      transform: scale(1.1);
  }
  
/*****************************************************************************************************************************************/
/*                                                        BUBBLE                                                                         */
/*****************************************************************************************************************************************/


.bubbleOne {
    position: absolute;
    bottom: 0; left: 0;
    z-index: -1;
    border-radius: 50%;
    width: 250px;
    height: 200px;
    background: rgba(242, 134, 83, 0.15);
}

.bubbleTwo {
    position: absolute;
    top: 25vh; left: 25vw;
    border-radius: 50%;
    z-index: -1;
    width: 185px;
    height: 162px;
    background: rgba(184, 90, 45, 0.15);
}

.bubbleThree {
    position: absolute;
    top: 60vh; left: 55vw;
    border-radius: 50%;
    z-index: -1;
    width: 185px;
    height: 162px;
    background: rgba(184, 90, 45, 0.15);
}

.bubbleFour {
    position: absolute;
    top: 40vh; right: 5vw;
    border-radius: 50%;
    z-index: -1;
    width: 185px;
    height: 162px;
    background: rgba(184, 90, 45, 0.15);
}