#signup-form .form-title {
    display: inline-block;
    margin-right: 15px;
    font-weight: 600;
}
#signup-form #email {
    display: inline-block;
    height: auto;
    font-size: 120%;
    padding: 5px;
    margin-right: 15px;
    width: 40%;
}
#signup-form .submit-container {
    display: inline-block;
}
#signup-form #btnSubmit {
    padding: 5px;
}
@media screen and (max-width: 540px) {
    #signup-form #email {
        display: block;
        width: 70%;
        margin-bottom: 5px;
    }
    #signup-form .submit-container {
        display: block;
    }
}