html {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(to right, #8D8850 50%, #1d1d1d 50%)
    /* background: linear-gradient(to bottom, #8D8850 50%, #1d1d1d 50%);*/
}

.container {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(to right, #b34040 50%, #c92323 50%);
    text-align: center;
    padding-top: 100px;
}

h1.libro {
    font-family: 'Roboto', sans-serif;
    margin-bottom: 20px;
    text-align: center;
    color: #ffffff;
    font-size: 36px;
    font-weight: bold;
    color: #f5ecec;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;


}


.formulario {
    font-family: Arial, sans-serif;
    width: 650px;
    margin: 0 auto;
    padding: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.formulario label {
    display: block;
    margin-bottom: 5px; 
    
}

.contenedor-label-button {
    display: inline-block;
}

input,
select,
textarea {
    width: 95%;
    padding: 10px;
    font-size: 16px;
    border: 1px solid #79a05f;
    border-radius: 5px;
    outline: none;
    margin-bottom: 10px;
}

input[type="submit"] {
    background-color: #1abd89;
    color: #fff;
    cursor: pointer;
    border: none;
}

input[type="submit"]:hover {
    background-color: #0e955e;
}

.form-fade-in {
    opacity: 0;
    animation: fade-in 1s forwards;
}

@keyframes fade-in {
    to {
        opacity: 1;
    }
}

.imagen-lateral {
    width: 250px;
    height: auto;
    position: absolute;
    top: 35%; 
    left: 1500px; 
    transform: translateY(-50%); 
    border-radius: 5px; 
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); /* Sombra */
}

.imagen-lateral2 {
    width: 250px;
    height: auto;
    position: absolute;
    top: 35%; 
    left: 120px; 
    transform: translateY(-50%); 
    border-radius: 5px; 
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); /* Sombra */
}