#sign-up > form > input[type="email"] {
    margin: 0 0 0 10px;
    margin-top: 15px;
    border: 0;
    height: 40px;
    line-height: 40px;
    height: 30px;
    line-height: 30px;
    width: 190px;
    text-align: center;
    background-color: #f5f5f5;
    color: #762b90;
    /*background-color: #fff;*/
}

#sign-up > form > input[type="email"]::-webkit-input-placeholder{
    color: #762b90;
}

#sign-up > form > input[type="email"]:-moz-placeholder {
    color: #762b90;
}

#sign-up > form > input[type="email"]:-ms-input-placeholder { /* Internet Explorer 10+ */
    color: #762b90;
}

@media only screen and (min-width: 660px) and (max-width: 700px) {
    #sign-up > form > input[type="email"] {
        width: 100px;
    }
}

@media only screen and (min-width: 701px) and (max-width: 750px) {
    #sign-up > form > input[type="email"] {
        width: 110px;
    }
}

@media only screen and (min-width: 751px) and (max-width: 930px) {
    #sign-up > form > input[type="email"] {
        width: 130px;
    }
}

#sign-up > form > .button {
    width: 80px;
}