#contact_div {
    text-align: center;
    width: 900px;
    margin: 0 auto;
    margin-top: 125px;
}

#contact_div div {
    font-size: 14px;
    margin-top: 12px;
    margin-bottom: 12px;
}

#contact_div span {
    margin-top: 30px;
    font-size: 11px;
    display: block;
    text-align: left;
    margin-left: 193px;
    margin-bottom: 6px;
}

#contact_div input {
    font-size: 24px;
    display: block;
    width: 500px;
    height: 40px;
    padding: 4px;
    margin: 0 auto;
}

#contact_div textarea {
    font-size: 24px;
    display: block;
    width: 500px;
    height: 150px;
    padding: 4px;
    margin: 0 auto;
    resize: none;
    font-family: 'Roboto';
}

#contact_div .button {
    background-color: #5614db;
    text-align: center;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    line-height: 35px;
    border-radius: 35px;
    width: auto;
    display: inline-block;
    margin-top: 30px;
    padding: 4px 65px;
    box-shadow: 0px 3px 5px #9e9e9e69;
}

#contact_div .contact_error {
    border: 1px solid #f00;
    box-shadow: 0 0 20px #f00;
}

#contact_div .contact_end {
    margin: 200px auto 20px auto;
    width: 80%;
    font-size: 35px;
}

#contact_div a {
    margin: 0 auto !important;
    text-decoration: none;
}

@media only screen and (min-device-width: 320px) and (max-device-width: 480px) and (-webkit-min-device-pixel-ratio: 2),
(max-width: 850px) {
    #contact_div {
        width: 90%;
    }
    #contact_div div {
        font-size: 50px;
    }
    #contact_div span {
        font-size: 35px;
        margin-left: 5%;
    }
    #contact_div input {
        font-size: 40px;
        width: 90%;
        height: auto;
        padding: 30px 20px;
    }
    #contact_div textarea {
        font-size: 40px;
        width: 90%;
        height: 250px;
        padding: 30px 20px;
    }
    #contact_div .button {
        font-size: 60px;
        line-height: 45px;
        border-radius: 105px;
        padding: 40px;
    }
    #contact_div .contact_error {
        border: 4px solid #f00;
    }
    #contact_div .contact_end {
        font-size: 55px;
    }
}