@media (min-width:301px) {
    .sec_login {
        background-color: #eeeeee;
        max-width: 450px;
        margin-top: 20px;
        padding: 20px 20px 20px 20px;
    }

        .sec_login .sub-container {
            border: 1px solid #bce8f1;
            padding-left: 15px;
            padding-bottom: 15px;
            padding-right: 15px;
        }

        .sec_login .titulo {
            background-color: #d9edf7;
            text-align: center;
            color: #31708f;
            border-bottom: 1px solid #bce8f1;
            padding: 5px 5px 5px 5px;
            border-bottom: 1px solid #bce8f1;
            font-size: 18px;
        }

        .sec_login .tdLabel {
            /*#eeeeee*/
            background-color: #dbdbdb;
            position: relative;
            top: 2px;
            padding-top: 4px;
            padding-left: 20px;
            font-size: 16px;
        }

            .sec_login .tdLabel > img {
                width: 32px;
            }
}

@media (max-width:300px) {

    .sec_login {
        background-color: #eeeeee;
        width:100%;
        margin-top: 20px;
        padding: 20px 20px 20px 20px;
    }

    .sec_login .sub-container {
            border: 1px solid #bce8f1;
             padding:0;
        }
    sec_login .titulo {
            background-color: #d9edf7;
            text-align: center;
            color: #31708f;
            border-bottom: 1px solid #bce8f1;
           padding:0;
            border-bottom: 1px solid #bce8f1;
            font-size: 18px;
        }
}