body {font-family: Arial;}
p {
  padding: 5px;
  margin: 5px;
}
ul, li {
  margin-buttom: 5px;
}
table, th, tr, td {
  border: 1px solid;
  border-collapse: collapse;
  padding: 5px;
}
th {
  background: blue;
  color: white;
}
/* pour generer une fration*/
.fraction {
  position: relative;
  top: 1em;
  display: inline-block;
  text-align: center;
  margin-bottom: 5px;
}

.fraction p:first-child {
  border-bottom : 1px solid black;
}
.fraction p {
  padding: 0px;
}
/* Style the tab */
.tab {
  overflow: hidden;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 5px 16px;
  transition: 0.3s;
  font-size: 17px;
}
.tablinks {
  cursor: pointer;
}   
.tablinks:hover {
  background-color: #ddd;
}   
/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current tablink class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  display: none;
  padding: 6px 12px;
  -webkit-animation: fadeEffect 2s;
  animation: fadeEffect 2s;
  font-size: 17Px;
}
/* Fade in tabs */
@-webkit-keyframes fadeEffect {
  from {opacity: 0;}
  to {opacity: 1;}
}

@keyframes fadeEffect {
  from {opacity: 0;}
  to {opacity: 1;}
}

.clearfix {
  overflow: auto;
}

.definition {
  padding: 20px;
  width: 70%
  margin: auto;
  border: 1px solid blue;
  border-radius: 10px;
  box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
  background-color: lightgreen;
  z-index: 10;

}
.column {
  float: left;
  width: 49%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}
/* Style the buttons that are used to open and close the accordion panel */
.accordion {
  background-color: #0000ff;
  color: white;
  cursor: pointer;
  font-size: 17Px;
  padding: 18px;
  width: 100%;
  text-align: left;
  vertical-align: text-top;
  border: none;
  outline: none;
  transition: 0.4s;
}
span.accordion {
  color: black;
  margin-left: 2em;
  width: initial;
  background-color: white; 
  padding: 7px;
}
table.accordion {
  color: black;
  margin-left: 2em;
  width: initial;
  background-color: white;
  padding: initial;

}
/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.accordion.active, .accordion:hover {
  background-color: #000099;
}

/* Style the accordion panel. Note: hidden by default */
.panel {
  padding: 0 18px;
  background-color: white;
  display: none;
  overflow: hidden;
}

.c_100 {
  width: 100px;
  text-align: center;
}

.c_150 {
  width: 150px;
  text-align: center;
}

.c_250 {
  width: 250px;
  text-align: center;
}

.l_100 {
  width: 100px;
  text-align: left;
}

.l_250 {
  width: 250px;
  text-align: left;
}
.col40 {
  width: 40%;
  display: inline-block;
  vertical-align: text-top;
}
.col45 {
  width: 45%;
  display: inline-block;
  vertical-align: text-top;
}
.rouge {
  color: red;
}
.bleu {
  color: blue;
}
.vert {
  color: green;
}
.jaune {
  color: yellow;
}
.mauve {
  color: #6600cc;
}
.barre {
  position: relative;
  left: -0.5em;
  color: red;
}