html{
    background: rgba(76,76,76,1);
background: -moz-linear-gradient(45deg, rgba(76,76,76,1) 0%, rgba(89,89,89,1) 12%, rgba(102,102,102,1) 25%, rgba(71,71,71,1) 39%, rgba(44,44,44,1) 50%, rgba(0,0,0,1) 51%, rgba(17,17,17,1) 60%, rgba(43,43,43,1) 76%, rgba(28,28,28,1) 91%, rgba(19,19,19,1) 100%);
background: -webkit-gradient(left bottom, right top, color-stop(0%, rgba(76,76,76,1)), color-stop(12%, rgba(89,89,89,1)), color-stop(25%, rgba(102,102,102,1)), color-stop(39%, rgba(71,71,71,1)), color-stop(50%, rgba(44,44,44,1)), color-stop(51%, rgba(0,0,0,1)), color-stop(60%, rgba(17,17,17,1)), color-stop(76%, rgba(43,43,43,1)), color-stop(91%, rgba(28,28,28,1)), color-stop(100%, rgba(19,19,19,1)));
background: -webkit-linear-gradient(45deg, rgba(76,76,76,1) 0%, rgba(89,89,89,1) 12%, rgba(102,102,102,1) 25%, rgba(71,71,71,1) 39%, rgba(44,44,44,1) 50%, rgba(0,0,0,1) 51%, rgba(17,17,17,1) 60%, rgba(43,43,43,1) 76%, rgba(28,28,28,1) 91%, rgba(19,19,19,1) 100%);
background: -o-linear-gradient(45deg, rgba(76,76,76,1) 0%, rgba(89,89,89,1) 12%, rgba(102,102,102,1) 25%, rgba(71,71,71,1) 39%, rgba(44,44,44,1) 50%, rgba(0,0,0,1) 51%, rgba(17,17,17,1) 60%, rgba(43,43,43,1) 76%, rgba(28,28,28,1) 91%, rgba(19,19,19,1) 100%);
background: -ms-linear-gradient(45deg, rgba(76,76,76,1) 0%, rgba(89,89,89,1) 12%, rgba(102,102,102,1) 25%, rgba(71,71,71,1) 39%, rgba(44,44,44,1) 50%, rgba(0,0,0,1) 51%, rgba(17,17,17,1) 60%, rgba(43,43,43,1) 76%, rgba(28,28,28,1) 91%, rgba(19,19,19,1) 100%);
background: linear-gradient(45deg, rgba(76,76,76,1) 0%, rgba(89,89,89,1) 12%, rgba(102,102,102,1) 25%, rgba(71,71,71,1) 39%, rgba(44,44,44,1) 50%, rgba(0,0,0,1) 51%, rgba(17,17,17,1) 60%, rgba(43,43,43,1) 76%, rgba(28,28,28,1) 91%, rgba(19,19,19,1) 100%);
filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#4c4c4c', endColorstr='#131313', GradientType=1 );
    
}

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

body{
    margin: 0em;
    padding: 2em 2em 4em;
    font-family: 'Roboto', sans-serif;
    line-height: 1.5em;
    color:darkorange;
    display: flex;
    flex-direction: column;
    
    }
main {
    padding: 2em 5em 0em 0em;
    margin: 1em;
    display: flex;
    flex-direction: column;}

.navegacion {
    display: flex;
    justify-content: center;
    justify-content: space-around;
}



.home {
    position: relative;
    left: -1em;
    top: -0.5em
}
.home a:hover {
    color: #ffffff;
    background-color:darkviolet;
    border-radius: 120em;
}

.materias {position: relative;top: 1em;
    color:#c26b00}

.descripcion{color: #4f1a54;
font-family: 'Roboto', sans-serif;
font-weight: 700;
padding: 1em}

.tp {
    position: relative;
    left: 1em;}

header ul {
    padding: 1em;
    margin: 1em;
    list-style: none;
    display: flex;
    align-items: center;}
header a {
    text-decoration: none;
    color:darkviolet;
    font-size: 0.6em;
    font-weight: 600;
    padding: 1em;
    text-align: center;
    text-transform: uppercase;
}

header li {
    display: flex;
    justify-content: space-around;}
span {
    font-weight: 600;
    font-size: 1em;}
.tp a:hover {
    color: #ffffff;
    background-color:darkviolet;
    border-radius: 120em;
}

.boton a:hover {
    color: #ffffff;
    background-color:darkviolet;
    border-radius: 15px;
}
#container {display:
}

h1 { 
    font-family: sans-serif;
    font-style: italic;
    font-variant: inherit;
    font-weight: 700;
    font-size:2em;
    left: auto;
    color:darkorange;
    text-transform: capitalize;
    text-decoration-style: double;
    }

 h3  {
     display: block;
     left: auto;
     font-size-adjust: auto;
     position: relative;
     font-family:"Helvetica Neue", sans-serif;
      font-size: 1.4em;
     color:darkviolet;    
      text-decoration-line: underline;
     }
img{border-radius: 0px 123px 0px 127px;
-moz-border-radius: 0px 123px 0px 127px;
-webkit-border-radius: 0px 123px 0px 127px;
border: 0px solid #000000;
-webkit-box-shadow: 21px 21px 36px 2px rgba(0,0,0,0.75);
-moz-box-shadow: 21px 21px 36px 2px rgba(0,0,0,0.75);
box-shadow: 21px 21px 36px 2px rgba(0,0,0,0.75);
position: relative; top: 2em
    
    }
    
}
 
#main{}
.exe2{ 
    font-family: sans-serif;
    font-style: normal;
    direction: rtl;
    color:gray;border-radius: 96px 96px 96px 96px;
-moz-border-radius: 96px 96px 96px 96px;
-webkit-border-radius: 96px 96px 96px 96px;
    -webkit-box-shadow: -3px 26px 54px 3px rgba(0,0,0,0.75);
-moz-box-shadow: -3px 26px 54px 3px rgba(0,0,0,0.75);
box-shadow: -3px 26px 54px 3px rgba(0,0,0,0.75);
border: 0px solid #000000;
background-color:#4f1a54;
width: 15em;
padding: 2em;
position: relative;top: 2em; left: 1em
}

footer {
    font-size: 0.5em;
    color: azure;
    margin: 5em 0em 0em 0em;
    padding: 1em 1em 1em 1em;
    background-color:black;
    text-align: center;
}