body {background-color: rgb(252, 118, 0);}

h1 {text-align: center;
    font-size: 200%;}

.avionzote {float: right;
            width: 25%;
            height: 30%;
            margin-left: 10px;
            margin-right: 10px;
            margin-top: 5%;}

.concepto {font-size: 200%;}

h2 {font-size: 200%;}

ul {font-size: 200%}

li {margin: 1%;}

audio, video { display: block; 
                width: 640px; 
                max-width: 90%; 
                margin: 0 auto;}

video {margin-bottom: 5%;}

.inicio {background-color: rgb(22, 250, 175);}

.boei {background-color: rgb(0, 76, 255);}

.airb {background-color: rgb(0, 32, 66);
        color: white;}

.embrae {background-color: rgb(17, 66, 168);}

.plink {font-size: 200%;}

.flotante {position: fixed; top: 0%; right: 0%;
            width: 3%;
            height: auto;
            margin: 0.5%;}

.regresar {position: fixed; top: 0%; left: 0%;
            width: 3%;
            height: auto;
            margin: 0.5%;}

br, div {margin-top: 1%;
        margin-bottom: 1%;}

.fuentes {position: fixed; bottom: 0%; left: 0%;
            width: 3%;
            height: auto;
            margin: 0.5%;}