meter {
    /* Reset the default appearance */
    /*-webkit-appearance: none;*/
    -moz-appearance: none;
    /*appearance: none;*/
    display: block;
    margin: 0 auto 0.2em;
    width: 100%;
    height: 0.5em;
    /* Applicable only to Firefox */
    background: none;
    background-color: lightgray;
    background-color: rgba(0, 0, 0, 0.1);
}

meter::-webkit-meter-bar {
    background: none;
    background-color: lightgray;
    background-color: rgba(0, 0, 0, 0.1);
}

meter::-webkit-meter-bar {
    background: none;
    background-color: lightgray;
    background-color: rgba(0, 0, 0, 0.1);
}

/* Webkit based browsers */
meter[value="1"]::-webkit-meter-optimum-value {
    background: red;
}

meter[value="2"]::-webkit-meter-optimum-value {
    background: yellow;
}

meter[value="3"]::-webkit-meter-optimum-value {
    background: orange;
}

meter[value="4"]::-webkit-meter-optimum-value {
    background: green;
}

/* Gecko based browsers */
meter[value="1"]::-moz-meter-bar {
    background: red;
}

meter[value="2"]::-moz-meter-bar {
    background: yellow;
}

meter[value="3"]::-moz-meter-bar {
    background: orange;
}

meter[value="4"]::-moz-meter-bar {
    background: green;
}

.password-message {
    font-size: small;
    padding: 0;
}