a {
    text-decoration: none;
}

#registrar {
    float: left;
    width: 80%;
    font-size: 24px;
    font-weight: bold;
    color: #FFF;
    text-align: right;
}

#envolturaAbout {
    position: absolute;
    left: 50%;
    top: 0%;
    margin-left: -365px;
    margin-top: -250px;
    width: 730px;
}

#contenedor {
    background-color: #CCC;
    box-shadow: 3px 3px 10px 5px rgba(0, 0, 0, .8);
    -webkit-border-radius: 5px;
    -moz-border-radius: 10px;
    border-radius: 10px;
}

#cabeceraA {
    border-bottom: 0px solid #333;
    padding-top: 10px;
    height: 150px;
    line-height: 0px;
    text-align: center;
}

#cuerpo {
    background: #ececec;
    border: solid #ccc;
    border-width: 2px 2px;
    padding: 20px 30px;
}

label {
    color: #666;
    font-weight: bold;
}

input {
    border-radius: 5px;
    box-shadow: 2px 2px 3px 1px rgba(0, 0, 0, .8);
    font: bold 12px Arial, Helvetica, sans-serif;
    height: 24px;
    line-height: 20px;
    padding: 0 2px;
    width: 250px;
}

form, p {
    margin: 0;
}

p {
    padding-bottom: 5px;
}

.closeA {
    background-color: rgba(0, 0, 0, 0.8);
    height: 30px;
    line-height: 30px;
    position: absolute;
    right: -352;
    text-align: center;
    text-decoration: none;
    top: -250px;
    width: 30px;
    -webkit-border-radius: 15px;
    -moz-border-radius: 15px;
    -ms-border-radius: 15px;
    -o-border-radius: 15px;
    border-radius: 15px;
}

.closeA:before {
    color: rgba(255, 255, 255, 0.9);
    content: "X";
    font-size: 24px;
    text-shadow: 0 -1px rgba(0, 0, 0, 0.9);
}

.closeA:hover {
    background-color: rgba(64, 128, 128, 0.8);
}