body{
    background-color:purple;
    background-size: 100vw 100vh;
    background-attachment: fixed;
    margin: 0;
    display: block;
    background: url(../img/pan.jpg);
    
    }
    #logo{
        width: 200px;
        height: 100px;
        border: 0px solid #000;
        float: left; font-family: sans-serif;
    }
    .menu{
        width: 460px;
        height: 40px;
        border: 1px solid #000;
        float: right;
        margin-top: 40px;
        background:red;
        text-align: center;
    }
    
    
    .menu ul li{
        list-style: none;
        float: left;
        text-align: center;
    }
    
    .menu ul li a{
        text-decoration: none;
        padding: 10px 15px;
        border: 0px solid #ccc;
        color: #fff; 
    }
    
    .menu ul li a:hover{
        background: #fff;
        color: red;
        transition: background 1s, color 1s;
    }

    .parrafo{
        color:white
    }
    
    form {
        width: 450px;
        margin: auto;
        margin-bottom: 40px;
        background: rgba(0, 0, 0, 0.4);
        padding: 10px 20px;
        box-sizing: border-box;
        margin-top: 20px;
        border-radius: 7px;
    }
    h2 {
        color: red;
        text-align: center;
        margin: 0;
        font-size: 30px;
        margin-bottom: 20px;
    }
    input, textarea {
    width: 100px;
    margin-bottom: 20px;
    padding: 7px;
    box-sizing: border-box;
    border: none;
    }
    textarea{
        min-height: 100px;
        max-height: 200px;
        max-width: 100%;
    }
    #boton{
        background: #31384a;
        color: #fff;
        padding: 20px;
    }
    #boton:hover {
    cursor: pointer;
    }
    @media (max-width:480px){
        form{
            width: 100px;
        }
 }