*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  html{
    scroll-behavior: smooth;
}
  body{
    font-family: 'Changa', sans-serif;
    background: #6f6ec2;
  }
  
  header{
    width: 100%;
    height: 750px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
    background-image: linear-gradient(to right, hsla(121, 40%, 45%, 0.5), hsla(227, 54%, 34%, 0.5)),url(../img/estudiante.jpg);
  }
  .wave{
    position: absolute;
    bottom: 0;
    width: 100%;
}
/*--tabla--*/
table{
    border-collapse: collapse;
}
td, th{
    padding: 5px 5px;
    border: 1px double black;
}
/*about us*/

.contenedor-sobre-nosotros{
    display: flex;
    justify-content: space-evenly;
}

.sobre-nosotros .contenido-textos{
    width: 48%;
    
}
.titulo{
    color: #fff;
    font-size: 30px;
    text-align: center;
    margin-bottom: 60px;
}
.contenido-textos h3{
    margin-bottom: 15px;
}

.contenido-textos h3 span{
    background: hsl(199, 100%, 50%);
    color: #000000;
    border-radius: 50%;
    display: inline-block;
    text-align: center;
    width: 30px;
    height: 30px;
    padding: 2px;
    box-shadow: 0 0 6 0 rgba(0, 0, 0, .5);
    margin-right: 5px;
}

.contenido-textos p{
    padding: 0px 0px 30px 15px;
    font-weight: 300;
    text-align: justify;
}

@media (max-width: 10000px){
    table tr{
        display: flex;
        flex-direction: column;
        border: 5px double black;
        padding: 1em;
        margin-bottom: 1em;
    }
    
    table{
        width: 100%;
        font-size: .9m;
    }
    table thead{
        display: none;
    }

}
  
  /*---Cajas de colores---*/
  
          #caja1{ padding-top: 5px; padding-right:20px; padding-bottom: 5px; padding-left: 20px; display: inline-block; border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja2{ padding-top: 5px; padding-right:20px; padding-bottom: 5px; padding-left: 20px; display: inline-block; border: 5px double blue;  background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja3{ padding-top: 10px; padding-right:20px; padding-bottom: 10px; padding-left: 20px; display: inline-block; border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja4{ padding-top: 10px; padding-right:20px; padding-bottom: 10px;  padding-left: 20px; display: inline-block;  border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja5{ padding-top: 5px; padding-right:20px; padding-bottom: 5px; padding-left: 20px; display: inline-block; border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja6{ padding-top: 5px; padding-right:20px; padding-bottom: 5px; padding-left: 20px; display: inline-block; border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          #caja7{ padding-top: 5px; padding-right:20px; padding-bottom: 5px; padding-left: 20px; display: inline-block; border: 5px double blue; background-image: linear-gradient(30deg, rgb(205, 30, 113), rgb(29, 227, 155), rgb(251, 255, 20), rgb(155, 5, 15)); color: black; }
          
          /*---boton de nuevo---*/
  
          .btn{ position: relative; padding: 10px 60px; text-decoration: none; color: #fff; letter-spacing: 10px; text-indent: 10px; z-index: 2; border: 1px solid black; }
          .btn-4::after{ content: ""; position: absolute; width: 100%; height: 100%; left: 0; top: 0; background-image: linear-gradient(90deg, rgb(255, 30, 143), rgb(19, 227, 255), rgb(251, 255, 20), rgb(255, 15, 15)); background-size: 300%; border-radius: 5px; z-index: -1; transition: all 0.4s ease; }
          .btn-4:hover::after{ background-position: 100%; filter: blur(15px); }
          .btn-4::before{ position: absolute; width: 100%; height: 100%; left: 0; top: 0; background-image: linear-gradient(90deg, rgb(255, 30, 143), rgb(19, 227, 255), rgb(251, 255, 20), rgb(255, 15, 15)); background-size: 300%; border-radius: 5px; z-index: -1; }
          .btn-4:hover::before{ background-position: 100%;}
          .new{ display: flex; justify-content: center;}
  
          /*---Boton de eliminar---*/
  
          .btn-0{ position: relative; padding: 10px 10px; text-decoration: none; color: black; letter-spacing: 10px; text-indent: 10px; z-index: 2;  background: hsl(0, 43%, 58%); }
          .btn-1{ overflow: hidden; border: 3px solid hsla(0, 77%, 42%, 0.993); z-index: 2; }
          .btn-1::before{ content: ""; position: absolute; width: 100%; height: 200%; left: 0; top: -200%; background-color: #cc0303; border-radius: 50%; transition: all 0.6s ease; z-index: -1;}
          .btn-1:hover:before{ top: 0; border-radius: 0%; }
  
        /*--Boton de editar--*/
  
        .btn-5{ position: relative; padding: 10px 10px; text-decoration: none; color: black; letter-spacing: 10px; text-indent: 10px; z-index: 2; background: hsl(155, 37%, 46%); }
        .btn-6{ overflow: hidden; border: 3px solid #89ce08; z-index: 2; }
        .btn-6::before{ content: ""; position: absolute; width: 100%; height: 200%; left: 0; top: -200%; background-color: #7bff00; border-radius: 50%; transition: all 0.6s ease; z-index: -1; }
        .btn-6:hover:before{ top: 0; border-radius: 0%; }

        /*--encabezado--*/
        nav{
            text-align: right;
            padding: 30px 50px 0 0;
        }
        nav > a{
            color: #fff;
            font-weight: 300;
            text-decoration: none;
            margin-right: 10px;
        }
        nav > a:hover{
            text-decoration: underline;
        }
        
        header .textos-header{
            display: flex;
            height: 430px;
            width: 100%;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            text-align: center;
        }
        
        .textos-header h1{
            font-size: 50px;
            color: #fff;
        }
        
        .textos-header h2{
            font-size: 30px;
            font-weight: 300;
            color: #fff;
        }
        /*--pie--*/
footer{
    background: #414141;
    padding: 60px 0 30px 0;
    margin: auto;
    overflow: hidden;
}

.contenedor-footer{
    display: flex;
    width: 90%;
    justify-content: space-evenly;
    margin: auto;
    padding-bottom: 50ps;
    border-bottom: 1px solid #ccc;
}

.content-foo{
    text-align: center;
}
.content-foo h4{
    color: #fff;
    border-bottom: 3px solid #af20d3;
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.content-foo p{
    color: #ccc;
}
a{
    color: aqua;
    text-decoration: none;
}
a:hover{
    text-decoration: underline;
}

.titulo-final{
    text-align: center;
    font-size: 20px;
    margin: 20px 0 0 0;
    background: #9e9797;
}

@media screen and (max-width:900px){
    header{
        background-position: center;
    }
    /*pie*/
    .contenedor-footer{
        flex-direction: column;
        border: none;
    }

    .content-foo{
        margin-bottom: 20px;
        text-align: center;
    }

    .content-foo h4{
        border: none;
    }

    .content-foo p{
        color: #fff;
        border-bottom: 1px solid #efefef;
        padding-bottom: 20px;
    }

    .titulo-final{
        font-size: 20px;
    }
    .contenedor-sobre-nosotros{
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .sobre-nosotros .contenido-textos{
        width: 90px;
        padding-bottom: 20px;
    }
}

@media screen and (max-width:500px) {
    nav{
        text-align: center;
        padding: 30px 0 0 0;
    }
    nav > a{
        margin-right: 5px;
    }

    .textos-header h1{
        font-size: 35px;
    }

    .textos-header h2{
        font-size: 20px;
    }
    /*pie*/
    .contenedor-footer{
        flex-direction: column;
        border: none;
    }

    .content-foo{
        margin-bottom: 20px;
        text-align: center;
    }

    .content-foo h4{
        border: none;
    }

    .content-foo p{
        color: #fff;
        border-bottom: 1px solid #efefef;
        padding-bottom: 20px;
    }

    .titulo-final{
        font-size: 20px;
    }
    .sobre-nosotros .contenido-textos{
        width: 95%;
    }
}