body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background: url(../../imagenes/fondo1.jpg);
    background-size: cover;
    background-attachment: fixed;
}

* {
    box-sizing: border-box;
}

.contenedor {
    width: 100%;
    padding: 15px;
}

.formulario {
    background: #fff;
    margin: auto;
    margin-top: 150px;
    padding: 3px;
    width: 90%;
    max-width: 500px;
    border-radius: 2%;
}

h1 {
    text-align: center;
    color: #000;
    font-size: 40px;
}

.input-contenedor {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    border: 1px solid #aaa;
    padding: 5px;
    border-radius: 5px;
}

.input-contenedor i {
    margin-right: 10px;
    font-size: 1.5em;
    color: #000;
}

input[type="text"],
input[type="password"] {
    flex: 1;
    font-size: 20px;
    width: 100%;
    padding: 10px;
    border: none;
    outline: none;
}

.input-contenedor input::placeholder {
    color: #999;
}

.button {
    border: none;
    width: 100%;
    color: white;
    font-size: 20px;
    background: #FEA30B;
    padding: 15px 20px;
    border-radius: 5px;
    cursor: pointer;
}

p {
    text-align: center;
}

.link {
    text-decoration: none;
    color: #1a2537;
    font-weight: 600;
}

.link:hover {
    color: cadetblue;
}

@media (max-width: 767px) {
    .formulario {
        margin-top: 80px;
        width: 80%;
        padding: 15px;
    }

    h1 {
        font-size: 30px;
    }

    .input-contenedor {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
        border: 1px solid #aaa;
        padding: 5px;
        border-radius: 5px;
        flex-direction: row; 
    }

    .input-contenedor i {
        margin-right: 10px; 
        font-size: 1.5em;
        color: #000;
    }

    input[type="text"],
    input[type="password"] {
        font-size: 18px;
        width: calc(100% - 1.5em - 20px); 
    }

    .button {
        font-size: 18px;
    }
}

@media (min-width: 768px) {
    .formulario {
        width: 500px;
        margin-top: 150px;
        border-radius: 2%;
    }

    .input-contenedor {
        display: flex;
        align-items: center;
        margin-bottom: 15px;
        border: 1px solid #ccc;
        padding: 5px;
        border-radius: 5px;
    }

    .input-contenedor i {
        margin-right: 10px;
        font-size: 1.5em;
        color: #000;
    }

    input[type="text"],
    input[type="password"] {
        flex: 1;
        border: none;
        outline: none;
        padding: 10px;
    }

    .button {
        font-size: 20px;
    }
    
}