body
{
    font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    background: rgb(255, 251, 0);
    color: rgb(255, 255, 255);
    }
    .contenedor
    {
    width: 350px;
    margin: 50px auto;
    background: rgba(0, 0, 0, 0.849);
    padding: 20px;
    border-radius: 10px;
    }
    input, select{
    width: 95%;
    padding: 10px;
    margin-top: 10px;
    }
    button
    {
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    background: #000000;
    color: white;
    border: none;
    }
    h2
    {
        color: rgba(255, 0, 0, 0.411);
    }