form{
    margin: 0 auto;
    width: 50%;
    box-sizing: border-box;
    margin-top: 1%;
    border-radius: 7px;
    margin-bottom: 5%;
}

input
{
    margin: 0 auto;
    width: 90%;
    margin-bottom: 15px;
    padding: 5px;
    box-sizing: border-box;
    border: 1px solid #000;
    font-size: 16px;
    border-radius: 4px;
}
#boton{
    background: #dcb639;
    color:#fff;
    padding: 5px;
    font-size: 20px;
    -moz-transition: .4s linear;
    -webkit-transition: .4s ease-out;
    transition: .4s linear;
}
#boton:hover
{
    cursor:pointer;
    background-color: #a9942b;
    -moz-transition: .4s linear;
    -webkit-transition: .4s ease-out;
    transition: .4s linear;
}
@media screen and (max-width: 600px) {
    form{
        width: 100%;
    }
    input
    {
        width: 100%;
    }
}