body {
    background-image: url('../img/fondo_n.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

#login {
    margin: 0 auto;
    margin-top: 40px;
    height: auto;
    width: 65%;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    box-shadow: rgb(0, 0, 0);
    padding: 20px;
}

#registro {
    margin: 0 auto;
    margin-top: 40px;
    height: auto;
    width: 65%;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 10px;
    box-shadow: rgb(0, 0, 0);
    padding: 20px;
}

#cuerpo {
    margin: 0 auto;
    margin-top: 20px;
    height: auto;
    width: 95%;
    background-color: rgba(255, 255, 255, 1);
    border-radius: 10px;
    box-shadow: rgb(0, 0, 0);
    padding: 20px;
}

.fondoazul {
    background-color: aquamarine;
}

.adv {
    padding: 5px;
    background-color: red;
    color: white;
    text-align: center;
    width: 100%;
}

.sinpadding [class*="col-"] {
    padding: 0;
}

.tit {
    background-color: rgb(219, 218, 216);
    text-align: center;
    font-weight: bold;
}

input[type="file"] {
    display: none;
}

.custom-file-upload {
    border: 1px solid #ccc;
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
    background-color: chartreuse;
}