html, body {
    background-image: none;
}

.login-form {
    width: 420px;
    padding: 3em 0;
    background-color: #dddddd;
}

.form-row {
    width: 30em;
    margin: 10px auto;
}

.login-form label {
    width: 9em;
    float: left;
    text-align: right;
    margin-right: 0.25em;
}

.login-form input[type=text], input[type=password] {
    width: 16em;
    border-width: 0;
    border-style: solid;
    border-color: #000000;
    background-color: #ffffff;
}

.login-form button {
    margin-top: 2ex;
    background-color: #cfcfcf;
    border-color: #aaaaaa;
}

.login-form a {
    text-align: center;
}

.login-form button:hover {
    background-color: #d4d4d4;
}

.sep {
    display: block;
    position: relative;
    padding: 0;
    margin: 8px auto;
    height: 0;
    width: 100%;
    max-height: 0;
    font-size: 1px;
    line-height: 0;
    clear: both;
    border: none;
    border-top: 1px solid #aaaaaa;
    border-bottom: 1px solid #ffffff;
}

.pki {
}

.pki p {
    text-align: center;
}

.pki img {
    display: block;
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
}

.error-msg {
    width: 28em;
    margin: 0 auto;
    text-align: center;
    font-weight: bold;
}

.login-form-wrapper {
    width: 30em;
    margin: 100px auto 4ex auto;
}

.tab {
    width: 420px;
    height: 46px;
    display: flex;
}

.tab button {
    display: flex;
    width: 50%;
    background-color: #eaeaea;
    border: none;
    outline: none;
    padding: 14px 88px;
    text-align: center;
    font-weight: bold;
}

.tablinks {
    text-align: center;
    padding: 14px 86px;
}

.tab button:hover {
    background-color: #cfcfcf;
}

.tab button.active {
    background-color: #dddddd;
}

.tabcontent {
    display: none;
    border-top: none;
}