.t1{
			color: #000; font-family: 'descartesJS_Sansserif', sans-serif; 
			font-size: 16px; 
			font-weight: 700; 
			line-height: 40px; 
			margin: 0 0 0; 
			margin:15px 55px 5px 55px; 
			text-align: left; 
			text-decoration: bold;
	}
.t2{
	        color: #002664; 
	}
		.t3{
			font-family: 'descartesJS_Sansserif', sans-serif; font-size: 26px; font-weight: 700; line-height: 30px;
			margin:15px 30px 5px 30px; padding: 20px 30px; text-align: center; 
		}
		.t4{
			color: #121ECA; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 22px; font-weight: 700; 
			margin: 0 0 0; margin:25px 55px 0px 55px; font-weight: 580;
		}
		.t5{
			color: #2D7609; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 23px; font-weight: 700; 
			margin: 0 0 0; padding: 2px 5px; 
		}
		.t6{
			color: #00f; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 30px; font-weight: 500; 
			line-height: 24px; margin: 0 0 0; padding: 15px 20px; text-align: left; 
		}
		.t7{
			color: #000; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 30px; font-weight: 500; 
			line-height: 24px; margin: 0 0 0; padding: 20px 25px; text-align: left; 
		}
		.t8{
			color: #2D7609; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 23px; font-weight: 500; 
			margin: 0 0 0; padding: 15px 65px; 
		}
		
		.t9{
			color: #000; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 23px; font-weight: 500; 
			margin: 0 0 0; padding: 15px 65px; 
		}
		.t10{
			color: #ff0; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 74px; font-weight: 700; 
			line-height: 46px; margin: 0 0 0; margin:15px 55px 45px 55px; text-align: center; text-transform: uppercase;
		}
		.t11{
			color: #c9c99f; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 38px; font-style: normal;
			font-weight: 700; 
			line-height: 48px; margin: 0 0 0; margin:15px 55px 45px 55px; text-align: center;
		}
		.t12{
			color: black; font-family: 'descartesJS_monospace', monospace;  font-style: normal;
			font-weight: 600;  
		}




.postit1 {
	font-family: 'descartesJS_monospace', monospace;
	right:20px;
	background-image: url('../images/postit1.png');
	line-height: 34px;
	word-break: keep-all;
	width: 645px;
	height: 215px;
	margin: 10px 0px -20px 80px; 
	text-align: center;
	padding-left: 0px;
	padding:55px 25px 0px 30px;
	font-size: 24px;  
}


.postit2 {
	font-family: 'descartesJS_monospace', monospace;
	right:20px;
	background-image: url('../images/postit2.png');
	line-height: 34px;
	word-break: keep-all;
	width: 645px;
	height: 300px;
	margin: 10px 0px 10px 80px; 
	text-align: center;
	padding-left: 0px;
	padding:50px 25px 0px 25px;
	font-size: 24px;  
}

.postit3 {
	font-family: 'descartesJS_monospace', monospace;
	right:20px;
	background-image: url('../images/postit3.png');
	line-height: 34px;
	word-break: keep-all;
	width: 645px;
	height: 125px;
	margin: 10px 0px -20px 80px; 
	text-align: center;
	padding-left: 0px;
	padding:55px 25px 0px 30px;
	font-size: 24px;  
}



#book .own-size{
	width:850px;
	height:785px;
	background-color:white;
	overflow:hidden;
}

#book .izquierda{
	background:-webkit-gradient(linear, left top, right top, color-stop(0.95, #fff), color-stop(1, #dadada));
	background-image:-webkit-linear-gradient(left, #fff 93%, #dadada 100%);
	background-image:-moz-linear-gradient(left, #fff 93%, #dadada 100%);
	background-image:-ms-linear-gradient(left, #fff 93%, #dadada 100%);
	background-image:-o-linear-gradient(left, #fff 93%, #dadada 100%);
	background-image:linear-gradient(left, #fff 93%, #dadada 100%);
}

#book .derecha{
	background:-webkit-gradient(linear, right top, left top, color-stop(0.95, #fff), color-stop(1, #cacaca));
	background-image:-webkit-linear-gradient(right, #fff 95%, #cacaca 100%);
	background-image:-moz-linear-gradient(right, #fff 95%, #cacaca 100%);
	background-image:-ms-linear-gradient(right, #fff 95%, #cacaca 100%);
	background-image:-o-linear-gradient(right, #fff 95%, #cacaca 100%);
	background-image:linear-gradient(right, #fff 95%, #cacaca 100%);
}

		
p {
    color:#000;	
    font-size:26px; 
    font-family: 'descartesJS_Sansserif', sans-serif; 
    margin:25px 55px 0px 55px; 
    font-weight: 599;
    line-height: 30px;
    text-align:justify;
	}

.teorema{
	width: 740px;
	background-color: #e5e5cc;
	margin:5px 55px 0px 55px;
}

	
h1
{
	color: #002664;
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-size: 32px;
	font-weight: 700;
	font-style:  normal;
	line-height: 36px;
	margin: 0 0 0;
	margin:15px 55px 5px 55px;
	text-align: left;
}

h2
{
	color: #002664;
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-size: 28px;
	font-weight: 700;
	font-style:  normal;
	text-decoration: bold;
	line-height: 32px;
	margin: 0 0 0;
	margin:15px 55px 5px 55px;
	text-align: left;
}

h3
{
	position:absolute;
	bottom:0;
	left:0;
	right:0;
	color: #000;
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-size: 18px;
	font-weight: 500;
	line-height: 16px;
	text-align: center; 
}

h4
{
	color: #002664;
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-size: 26px;
	font-weight: 700;
	font-style:  normal;
	line-height: 32px;
	margin: 0 0 0;
	margin:15px 55px 5px 55px;
	text-align: left;
}
		.creditos{
			color: #000; font-family: 'descartesJS_Sansserif', sans-serif; font-size: 32px; font-weight: 500; 
			line-height: 24px; margin: 0 0 0; padding: 20px 25px; text-align: left; 
		}
		
		
		
		#book{
			width:1700px;
			height: 785px;
			margin:70px 5px 5px 97px;
		}
		#book .turn-page{
			background-color:white;
			
		}
		#book .cover{
		
			}
		
		.cover {
			background-color: #F8ECC2;
			background: url(../images/cover.png) no-repeat 1px 50%;
			
		}
		
		#book .page-wrapper{
		-webkit-perspective:2000px;
		-moz-perspective: 2000px;
		-ms-perspective: 2000px;
		perspective: 2000px;
		}

		

	

	
a{
	color:#000;	
	font-size:20px; 
	font-family: 'descartesJS_SansSerif', 
	sans-serif; text-decoration: none; 
	margin:15px 0px 5px 0px;		
	}
				
li{
	list-style:none;
	line-height:30px;
}

li1{
	list-style:none;
	line-height:30px;
	text-indent:-20px;
}

li2{
	list-style:none;
	line-height:30px;
	text-indent:-10px;
}

li3{
	list-style:none;
	line-height:30px;
	text-indent:-22px;
}

li4{
	list-style:none;
	line-height:20px;
	text-indent:-20px;
}



#book .span2{
	float:right;
}

#book .a2{
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	color:#333;
	margin:2px 0;
	padding:0 10px;
	line-height: 30px;
}

#book .a2:hover{
	background:#e5e5cc;
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	-webkit-border-radius:10px;
	-moz-border-radius:10px;
	-o-border-radius:10px;
	-ms-border-radius:10px;
	border-radius:10px;
}

#book .a3:link{
	color:#002664;
	width:100%;
	clear:both;
	text-decoration:none;
	font-size:26px;
	margin:2px 0;
	padding:0 10px;
	line-height: 30px;
}

#book .a3:hover{
	color:#0026ff;
	width:100%;
	clear:both;
	text-decoration:none;
	font-size:26px;
	-webkit-border-radius:10px;
	-moz-border-radius:10px;
	-o-border-radius:10px;
	-ms-border-radius:10px;
	border-radius:10px;
}

/* visited link*/ 
#book .a3:visited {
   color:#aa00aa;
   width:100%;
   clear:both;
   text-decoration:none;
   font-size:26px;
   margin:2px 0;
	padding:0 10px;
	line-height: 30px;
}

#book .a4{
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	color:#333;
	margin:2px 0px 0px 0px;
	padding:0 10px;
	line-height: 30px;
}

#book .a4:hover{
	background:#e5e5cc;
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	-webkit-border-radius:10px;
	-moz-border-radius:10px;
	-o-border-radius:10px;
	-ms-border-radius:10px;
	border-radius:10px;
}

#book .a5{
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	color:#333;
	margin:2px -10px 0px 0px;
	padding: 0px 20px;
	line-height: 30px;
}

#book .a5:hover{
	background:#e5e5cc;
	float:right;
	width:100%;
	clear:both;
	text-decoration:none;
	-webkit-border-radius:10px;
	-moz-border-radius:10px;
	-o-border-radius:10px;
	-ms-border-radius:10px;
	border-radius:10px;
}


span#sub {
    vertical-align: sub;
}

body{
	background:transparent url(../images/bg3.png) no-repeat 10px 33px;
	color:#444;
	font-size:12px;
	color: #000;
	
}


.dropdown {
    position: relative;
    top: -850px;
	
}

.dropbtn1 {
    background: url("../images/menu1.png" ) no-repeat left top; text-align:left;
	position: relative;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	right:-100px;
}

.dropbtn1:hover{
	background: url("../images/menu1_over.png" ) no-repeat left top; text-align:left;
	position: relative;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	right:-100px;
	visibility: visible;
}

.dropdown1 {
    position: relative;
	top: -850px;
}
.dropbtn2 {
    background: url("../images/menu2.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:1693px;
}

.dropbtn2:hover{
	background: url("../images/menu2_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:1693px;
	visibility: visible;
}

.dropdown2 {
    position: relative;
	top: -850px;
}

.dropbtn3 {
    background: url("../images/menu3.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:1640px;
}

.dropbtn3:hover{
	background: url("../images/menu3_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:1640px;
	visibility: visible;
}

.dropdown3 {
    position: relative;
	top: -850px;
}

.dropbtn4 {
    background: url("../images/calculadoraDescartes.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:260px;
}

.dropbtn4:hover{
	background: url("../images/calculadoraDescartes_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:260px;
	visibility: visible;
}

.dropdown4 {
    position: relative;
	top: -850px;
}

.dropbtn5 {
    background: url("../images/printer.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-43px;
	right:222px;
}

.dropbtn5:hover{
	background: url("../images/printer_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-43px;
	right:222px;
	visibility: visible;
}

.dropdown5 {
    position: relative;
	top: -850px;
}

.dropbtn6 {
    background: url("../images/help.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:170px;
}

.dropbtn6:hover{
	background: url("../images/help_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 20px;
	height:20px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:170px;
	visibility: visible;
}

.dropdown6 {
    position: relative;
	top: -850px;
}

.dropbtn7 {
    background: url("../images/xy.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 26px;
	height:26px;
	width:26px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:295px;
}

.dropbtn7:hover{
	background: url("../images/xy_over.png" ) no-repeat left top; text-align:left;
	position: absolute;
    color: white;
    padding: 26px;
	height:26px;
	width:26px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	top:-40px;
	right:295px;
	visibility: visible;
}

.dorpbtn8
{background: url("../images/ortogonal.png" ) no-repeat left top; text-align:left;
visibility: visible;}

.dropbtn8:hover{
	background: url("../images/ortogonal_over.png" ) no-repeat left top; text-align:left;
    color: white;
    padding: 26px;
	height:26px;
	width:26px;
    font-size: 16px;
    border: none;
    cursor: pointer;
	visibility: visible;
}



.show {display:block;}

.nextbtn {
    background: url("../images/next2.png" ) no-repeat left top; text-align:center;
    color: white;
    padding: 24px 35px 60px 20px;
	font-size: 16px;
    border: none;
    cursor: pointer;
	top:0;
	right:10px;
}

.nextdown {
    position: absolute;
    right: 0px;
    top: 44%
}

.show {display:block;}

.prevbtn {
    background: url("../images/prev2.png" ) no-repeat left top; text-align:center;
    color: white;
    padding: 24px 35px 70px 24px;
	height:4px;
	font-size: 16px;
    border: none;
    cursor: pointer;
	top:0;
	right:10px;
	
}

.prevdown {
    position: absolute;
    left: 0px;
    top: 44%;
}





<style>
.tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 1px dotted black;
}

.tooltip .tooltiptext {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	visibility: hidden;
    width: 130px;
    background-color: #002664;
    color: #fff;
    text-align: left;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
 position: absolute;
	left:5px;
	top:62px;
	z-index: 1;
}

.tooltip .tooltiptext1 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    left: 18%;
}

.tooltip .tooltiptext2{
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 110px;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    left: 100px;
}

.tooltip .tooltiptext3{
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 330px;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    left: 30%;
}

.tooltip .tooltiptext4 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    right: 16.3%;
}

.tooltip .tooltiptext5 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: relative;
    left: 1%;
}

.tooltip .tooltiptext6 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    right: 30%;
}

.tooltip .tooltiptext7 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;

    /* Position the tooltip */
    position: absolute;
    right: 24%;
}

.tooltip .tooltiptext8 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;
    /* Position the tooltip */
    position: absolute;
    right: 26%;
}

.tooltip .tooltiptext9 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;
    /* Position the tooltip */
    position: absolute;
    left: 12%;
}

.tooltip .tooltiptext10 {
	font-size:20px; 
	font-family: 'descartesJS_Sansserif', sans-serif;
	font-style: normal;
	visibility: hidden;
    width: 15%;
    background-color: #002664;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;
    /* Position the tooltip */
    position: absolute;
    left: 27%;
}


.tooltip:hover .tooltiptext {
    visibility: visible;
}

.tooltip:hover .tooltiptext1 {
    visibility: visible;
}

.tooltip:hover .tooltiptext2 {
    visibility: visible;
}

.tooltip:hover .tooltiptext3 {
    visibility: visible;
}

.tooltip:hover .tooltiptext4 {
    visibility: visible;
}

.tooltip:hover .tooltiptext5 {
    visibility: visible;
}

.tooltip:hover .tooltiptext6 {
    visibility: visible;
}

.tooltip:hover .tooltiptext7 {
    visibility: visible;
}

.tooltip:hover .tooltiptext8 {
    visibility: visible;
}

.tooltip:hover .tooltiptext9 {
    visibility: visible;
}

.tooltip:hover .tooltiptext10 {
    visibility: visible;
}

.footer {
  font-size:12px; 
  font-family: 'descartesJS_Sansserif', sans-serif;
  position: absolute;
  right: 50px;
  bottom: 4em;
  left: 50px;
  padding: 0;
  
  text-align: left;
}
.footer a {
  font-size:12px; 
  color: blue;
  font-family: 'descartesJS_Sansserif', sans-serif;
  margin-right:2px;
  margin-left:2px;
}


</style>

.ejemplo{
	font-size: 6px;
	color:#ff7c00";
}