body{
    font-family: Arial, Helvetica, sans-serif;
    background:radial-gradient(#1050bd, #000037);
    color: #fff;
}

header{
    background: linear-gradient(#042eff48, #0008f733);
}

h2{
    padding-left: 15px;
    color: #f0f8ff;
}

span{
    padding-top: .5em;
    padding-bottom: .5em;
}

header, p{
    padding: 15px;
}

nav{
    display: block;
    padding: 10px;
    text-align: center;
}

footer{
    background: linear-gradient(180deg, #042eff48, #0008f733);
    color: #ffffff3e;
}

main{
    padding: 5px;
    background: linear-gradient(#00007b49,#092aff27);
}

#navs a{
    color: #fff;
    text-decoration: none;
    padding: 10px;
}

#navs a:hover{
    background: #fff;
    color: #000;
    transition: 500ms;
}

#practica1:hover span{
    padding-right: 150px;
    background-color: #008CBA;
    color: #000000;
    box-shadow: 0 12px 16px 0 #0000003d, 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

span{
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

#practica1 span:after{
    content: "CV personal";
    position:absolute;
    opacity: 0;
    top:10;
    right: -20px;
    transition: 0.5s;
}

#practica1:hover span:after {
    opacity: 1;
    right: 0;
}

#practica2:hover span{
    padding-right: 250px;
    background-color: #008CBA;
    color: #000000;
    box-shadow: 0 12px 16px 0 #0000003d, 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

span{
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

#practica2 span:after{
    content: "La historia de la web";
    position:absolute;
    opacity: 0;
    top: 10;
    right: -20px;
    transition: 0.5s;
}

#practica2:hover span:after {
    opacity: 1;
    right: 0;
}

#practica3:hover span{
    padding-right: 300px;
    background-color: #008CBA;
    color: #000000;
    box-shadow: 0 12px 16px 0 #0000003d, 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

span{
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

#practica3 span:after{
    content: "Informacion Personal";
    position:absolute;
    opacity: 0;
    top: 10;
    right: -20px;
    transition: 0.5s;
}

#practica3:hover span:after {
    opacity: 1;
    right: 0;
}

#practica4:hover span{
    padding-right: 100px;
    background-color: #008CBA;
    color: #000000;
    box-shadow: 0 12px 16px 0 #0000003d, 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

span{
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

#practica4 span:after{
    content: "Paises";
    position:absolute;
    opacity: 0;
    top: 10;
    right: -20px;
    transition: 0.5s;
}

#practica4:hover span:after {
    opacity: 1;
    right: 0;
}


#practica5:hover span{
    padding-right: 300px;
    background-color: #008CBA;
    color: #000000;
    box-shadow: 0 12px 16px 0 #0000003d, 0 17px 50px 0 rgba(0, 0, 0, 0.19);
}

span{
    cursor: pointer;
    display: inline-block;
    position: relative;
    transition: 0.5s;
}

#practica5 span:after{
    content: "Conoce Rafael Delgado";
    position:absolute;
    opacity: 0;
    top: 10;
    right: -20px;
    transition: 0.5s;
}

#practica5:hover span:after {
    opacity: 1;
    right: 0;
}