/********** Base styles **********/
* {
  box-sizing: border-box;
}

body {
  margin: 0px;
  padding: 0px;
  font-family: 'Helvetica', 'Arial', sans-serif;
  font-size: 100%;
  height: 100%;
  background-color: #b7b8f1;
}

h1 {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 20px;
}

section {
  position: relative;
  border: 1px solid #7563dd;
  background-color: lavender;
  
  margin-right: auto;
  margin-left: auto;
  overflow: hidden;
}
/********** end Base styles **********/
  
/** HEADER **/
#header-nav {
  background-color: #2866A3;
  border-radius: 0;
  border: 0;
}

.navbar-brand {
  padding-top: 25px;
  text-align: left;
}
.navbar-brand h1 { /* heder */
  font-family: 'Lora', serif;
  color: #b7b8f1;
  font-size: 1.5em;
  text-transform: uppercase;
  font-weight: bold;
  text-shadow: 1px 1px 1px #6182db;
  margin-top: 0;
  margin-bottom: 0;
  line-height: .75;
}
.navbar-brand a:hover, .navbar-brand a:focus {
  text-decoration: none;
}
.navbar-brand p { 
  color: #b7b8f1;
  font-weight: bold;
  font-size: 0.9em;
  margin-top: 12px;
}
.navbar-brand p span { 
  vertical-align: middle;
}

#nav-list {
  margin-top: 10px;
}
#nav-list a {
  color: #b7b8f1;
  text-align: center;
}
#nav-list a:hover {
  background: #7c72a1;
}
#nav-list a span {
  font-size: 1.8em;
}

.navbar-header button.navbar-toggle, .navbar-header .icon-bar {
  border: 1px solid #b7b8f1;
}
.navbar-header button.navbar-toggle {
  clear: both;
  margin-top: -30px;
}
/* END HEADER */

#restartMessage {
  font-size: 1.1em;
  text-align:center;
  margin: 0;
}

.tab-content {
  text-align: justify;
}

#controlButtons {
	text-align:center;
	width: 260px;
	margin: auto auto 30px auto;
}

/* FOOTER */
.panel-footer {
  width: 100%;
  margin: 0;
  padding-bottom: 10px;
  color: #2866A3;
  background-color: #b7b8f1;
  border-top: 0;
}
.panel-footer div.row {
  margin-bottom: 10px;
}
.panel-footer span {
  font-size: 1.3em;
}
.panel-footer a {
  font-weight: bold;
}

/* END FOOTER */

  
/********** Large devices only **********/
@media (min-width: 1200px) {
  /* Page */
  #main-content {
    height: 100%;
  }

  #centeredArea {
    margin: auto;
    width: 80%;
  }
 
  .btn {
    width: 80px;
    height: 80px;
    font-size: 1.6em;
  }

  #restartMessage {
    font-size: 1.1em;
  }


  #btnCenter {
    font: 4em sans-serif;
  }

  .pScore {
    display: inline-block;
  }
  
  .details {
    text-align: justify;
  }

  .tab-content {
    font-size: 1.5em;
  }
  /* End Page */

  .panel-footer {
    padding-top: 80px;
  }
}


/********** Medium devices only **********/
@media (min-width: 992px) and (max-width: 1199px) {

  /* Page */
  #main-content {
    height: 100%;
  }

  #centeredArea {
    width: 90%;
    padding-right: auto;
    padding-left: auto;
  }

  .btn {
    width: 80px;
    height: 80px;
    font-size: 1.6em;
  }

  #btnCenter {
    font: 4em sans-serif;
  }

  #restartMessage {
    font-size: 1.1em;
  }


  .pScore {
    display: inline-block;
  }

  .details {
    text-align: justify;
  }

  .tab-content {
    font-size: 1.5em;
  }
  /* End Page */

  .panel-footer {
    padding-top: 50px;
  }
}


/********** Small devices only **********/
@media (min-width: 768px) and (max-width: 991px) {

  .navbar-brand h1 { /* Name */
    padding-top: 0px;
    font-size: 1.2em; /* 1vw = 1% of viewport width */
    text-align: left;
  }
  .navbar-brand p { /* Text type */
    font-size: .8em;
    margin-top: 12px;
  }

  /* Page */

  #centeredArea {
    width: 80%;
    padding-right: auto;
    padding-left: auto;
  }

  .btn {
    width: 80px;
    height: 80px;
    font-size: 1.6em;
  }

  #btnCenter {
    font: 4em sans-serif;
  }

  #restartMessage {
    font-size: 1.1em;
  }

  .pScore {
    display: inline-block;
  }

  .details {
    text-align: center;
    width: 90%;
    margin-right: auto;
    margin-left: auto;
    padding-right: auto;
    padding-left: auto;
  }

  .tab-content {
    font-size: 1.5em;
  }
  /* End Page */

  .panel-footer {
    padding-top: 30px;
  }
}


/********** Extra small devices only **********/
@media (max-width: 767px) {

  /* Header */
  .navbar-brand {
    padding-top: 10px;
    height: 80px;
  }
  .navbar-brand h1 { /* Name */
    padding-top: 10px;
    font-size: 4vw; /* 1vw = 1% of viewport width */
    text-align: left;
  }
  .navbar-brand p { /* Text type */
    font-size: .8em;
    margin-top: 12px;
  }

  .profil {
    margin-top: 30px;
    margin-right: 0px;
    margin-left: 0px;
  }

  #collapsable-nav a { /* Collapsed nav menu text */
    font-size: 1.2em;
  }
  #collapsable-nav a span { /* Collapsed nav menu glyph */
    font-size: 1.2em;
    margin-right: 5px;
  }

  /* End Header */

  /* Page */

  #main-content {
    margin-top: 0px;
    padding-top: 0px;
  }

  #centeredArea {
    padding-right: 15px;
    padding-left: 15px;
    text-align: left;
  }

  #restartMessage {
    font-size: 1.1em;
  }

  .col-sm-12 {
    position: relative;
    min-height: 400px;
    padding-right: 0px;
    padding-left: 0px;
    float: left;
    width: 100%;
  }

  #controlButtons {
    margin: 10px auto 10px auto;
  }

  .btn {
    width: 60px;
    height: 60px;
    font-size: 1.2em;
  }

  #btnCenter {
    font: 3em sans-serif;
  }

  .pScore {
    margin-bottom: 0px;
  }

  .pScore:nth-of-type(2) {
    margin-top: 0px;
  }

  .details {
    text-align: justify;
    width: 98%;
    padding-right: 5px;
    padding-left: 5px;
    margin: 0;
  }

  .tab-content {
    font-size: 1.5em;
  }
  /* END Page */
 

  /* Footer */
  .panel-footer section {
    margin-bottom: 30px;
    text-align: center;
  }
  .panel-footer section:nth-child(3) {
    margin-bottom: 0; /* margin already exists on the whole row */
  }
  .panel-footer section hr {
    width: 50%;
  }
  /* End Footer */
}


/********** Super extra small devices only (e.g., iPhone 4) **********/
@media (max-width: 479px) {
  /* Header */
  .navbar-brand h1 { /* Name */
    padding-top: 5px;
    font-size: 5vw;
    text-align: left;
  }
  .navbar-brand p { /* Text type */
    font-size: 4vw;
  }
  /* End Header */

   /* Page */
 
  .col-xxs-12 {
    position: relative;
    min-height: 1px;
    padding-right: 0px;
    padding-left: 0px;
    float: left;
    width: 100%;
  }

  .btn {
    width: 60px;
    height: 60px;
    font-size: 1.2em;
  }

  #btnCenter {
    font: 3em sans-serif;
  }

  .details {
    text-align: justify;
  }

  .tab-content {
    font-size: 1.3em;
  }
  
  /* END Page */
}