KapChat changes - dynamic scaling with font size, inverted message order, custom font

!dynamic-scale.kapchat.css

/* main, full replace, dynamic kapchat. This will override all CSS in the default clear theme */
html {
    font-size: 24px; 
    /* everything scales with this font-size; default is 16px. 
     * Usage of `em` in font-size refers to the parent's font-size as 1em. 
     * Usage of `rem` refers to the root em value ( this ) instead.
     * Use `rem` when possible.
     */  
    width: 100%;
    height: 100%;
}
body {
    overflow: hidden;
    margin: 0.313rem;
}
#chat_box {
    background-color: transparent;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 0.813rem; /* this changes all child element em bases to 0.813 of the root and is why we use `rem` everywhere else */
    font-style: normal;
    font-variant: normal;
    font-weight: normal;
    position: absolute;
    overflow: hidden;
    color: #D3D3D3;
    border-radius: 0.250rem;
    width: calc(100% - 0.625rem);
}
#chat_box.dark {
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
}
#chat_box.light {
    background: rgba(255, 255, 255, 0.3);
    color: #000;
}
.nick {
    font-weight: bold;
}

.tag {
    display: inline-block;
    text-indent: 1.313rem;
    background-position: 0 center;
    background-repeat: no-repeat;
    background-size: contain;
    display: inline-block;
    vertical-align: bottom;
    height: 1.125rem;
    min-width: 1.125rem;
    padding: 0;
    margin-right: 0.188rem;
    margin-bottom: -0.063rem;
    text-indent: -624.938rem;
    border-radius: 0.125rem;
    -moz-border-radius: 0.125rem;
    -webkit-border-radius: 0.125rem;
    overflow: hidden;
    vertical-align: sub; /* aligns with the middle of text */
}
.chat_line {
    margin-left: 0.188rem;
    margin-right: 0.188rem;
    padding-top: 0.125rem;
    padding-bottom: 0.188rem;
    line-height: 1.250rem; /* avoid clipping */
}
.chat_line .message {
    word-wrap: break-word;
}
.chat_line .time_stamp {
    display: none;
    padding-right: 0.188rem;
}
.emoticon {
    margin-bottom: -0.438rem;
    min-width:1.750rem; /* min dimensions enforced to some scale of 18x18 */
    min-height:1.750rem;
    vertical-align: sub; /* aligns with the middle of text */
}
.cheermote {
    width: auto;
    max-height: 1.750rem;
}

custom-font.kapchat.css

.chat_line {
    /* set whatever font you want to use here. */
    font-family: "Keep Calm" !important;
}

inverted-message-order.kapchat.css

/* inverted message order, new messages on top. */
#chat_box {
    transform: rotate(180deg); /* rotate the container upside down, putting new messages on top */
}
.chat_line {
    transform: rotate(-180deg); /* rotate the lines back the other direction so they're right-side up */
}

text-stroke.kapchat.css

.chat_line {
    text-shadow: -1px -1px 0px #000, 1px -1px 0px #000, -1px 1px 0 #000, 1px 1px 0 #000;
    letter-spacing: 0.060rem; /* letter spacing in an attempt to combat crowding created by text-shadow */
}

Scaled to 24px with a dark background added:

Inverted order, with text-shadow for "stroke"