*{
    box-sizing: border-box;
}

body{
    background: url("../img/borde_raspberry_pi.png") left repeat-y, url("../img/borde_raspberry_pi.png") right repeat-y;
    background-size: 3%;
    background-color: pink;
    width: 90%;
    margin: 0 auto;
}

h1{
    text-align: center;
    color: green;
    letter-spacing: 10px;
    text-shadow: 5px -5px 6px yellowgreen;
}

.caja1{
    text-align: justify;
}

.menu{
    background-color: white;
    width: 70%;
    margin: 5px auto;
    border-radius: 50px;
}

ul{
    display: flex;
    justify-content: space-around;
    list-style-type: none;
    color: blue;
}

.caja2{
    border: 5px solid palevioletred;
    margin-top: 30px;
}

h2{
    background-color: palevioletred;
    width: 100%;
    color: white;
    margin-top: 0;
}

.flexible{
    display: flex;
    flex-wrap: nowrap;
}

p{
    text-indent: 50px;
}

p:last-of-type{
    padding: 20px;
}

.texto > p:last-of-type{
    font-size: 3em;
    color: palevioletred;
    text-indent: 0px;
}

img{
    padding: 10px;
    border: 5px solid white;
    transition: 3s;
}

.pie{
    margin-top: 30px;
    width: 100%;
    text-align: right;
}

img[alt="mag"]:hover{
    filter: sepia() drop-shadow(5px 5px 5px red);
    border-radius: 30px;
    transform: rotateZ(180deg);
    transition: 3s;
}

img[alt="custom"]:hover{
    filter: blur() drop-shadow(5px 5px 5px green);
    border-radius: 30px;
    transform: rotateY(180deg);
    transition: 3s;
}

img[alt="wire"]:hover{
    filter: saturate() drop-shadow(5px 5px 5px pink);
    border-radius: 30px;
    transform: rotateX(180deg);
    transition: 3s;
}

img[alt="wire"]:active{
    filter: grayscale(50%);
    border-radius: 50px;
    border: 5px double green;
    transform: rotateY(180deg);
    transition: 3s;
    cursor: crosshair;
}