form {
    margin: 0 auto;
    width: 25%;
    padding: 1em;
    border: 1px solid #262626;
    background: #1A1A1A;
    border-radius: 1em;
    height: 50%;
}

form div {
    width: 90%;
    margin: 0 auto;
    position: relative;
    top: 50%;
    padding: 10px;
}

input[type="text"], input[type="password"] {
    width: 100%;
    padding: 0.5em;
    margin: 0.5em 0;
    background: #262626;
    border: 1px solid #999;
    border-radius: 4px;
    color: #fff;
    height: 4em;
}

input[type="submit"] {
    padding: 0.4em;
    margin: 0.5em 0;
    background: #262626;
    border: 1px solid #999;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
    width: 50%;
    margin-left: 25%;
    margin-top: 2em;
}

.center { /* Center the content vertically and horizontally */
    position: relative;
    top: 50%;
    padding: 10px;
}

@media screen and (max-width: 992px) {
    #content {
        zoom: 2;
    }

    form {
        width: 80%;
    }

    form div {
        width: 100%;
    }
}

h1 {
    text-align: center;
}