zulip/static/styles/reactions.scss

.message_reactions {
    padding-left: 46px;
    overflow: hidden;

    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;

    .message_reaction {
        float: left;
        margin: 0.15em;
        padding: 0 2px 0 0;
        height: 19px;
        cursor: pointer;
        background-color: hsl(0, 0%, 100%);
        border: 1px solid hsl(194, 37%, 84%);
        border-radius: 4px;

        &.reacted {
            background-color: hsl(195, 50%, 95%);
        }

        &:hover {
            border: 1px solid hsl(200, 100%, 40%);
        }

        + .reaction_button {
            visibility: hidden;
            pointer-events: none;
            margin: 2px 0.1em 3px 0.1em;
            padding: 3px;
            height: 14px;
            border-radius: 4px;
            padding-left: 0.3em;
            border: 1px solid hsl(0, 0%, 73%);
            padding-right: 0.3em;
            float: left;
        }
    }

    .message_reaction_count {
        position: relative;
        top: 4px;
        font-size: 0.8em;
        display: inline-block;
        vertical-align: top;
        color: hsl(200, 100%, 40%);
        margin: 0px 1px 0px 0px;
        line-height: 1em;
    }

    i {
        font-size: 1.3em;
        float: left;
        color: hsl(0, 0%, 33%);
    }

    &:hover .message_reaction + .reaction_button {
        visibility: visible;
        pointer-events: all;
        background-color: hsl(0, 0%, 98%);
    }

    .reaction_button i {
        font-size: 1em;
        margin-right: 3px;
    }

    .reaction_button:hover i {
        color: hsl(200, 100%, 40%);
    }

    .reaction_button:only-child {
        display: none;
    }

    .reaction_button:hover {
        border: 1px solid hsl(200, 100%, 40%);
        background-color: hsl(195, 50%, 95%);
        cursor: pointer;
        opacity: 1.0;
        color: hsl(200, 100%, 40%);
    }

    .reaction_button .message_reaction_count {
        font-size: 1.1em;
        color: hsl(0, 0%, 33%);
        margin-left: 3px;
    }

    .reaction_button .message_reaction_count {
        top: 0.5px;
    }

    .reaction_button:hover .message_reaction_count {
        color: hsl(200, 100%, 40%);
    }
}

.private-message .message_reactions .message_reaction {
    background-color: hsl(192, 20%, 95%);

    &.reacted {
        background-color: hsl(196, 51%, 93%);
        border-color: hsl(193, 38%, 70%);
    }
}

.message_reaction .emoji {
    display: inline-block;
    vertical-align: top;
    top: 0px;
    margin: 1px 3px;

    height: 17px;
    width: 17px;
    position: relative;
}

.reaction_button_visible {
    visibility: visible !important;
    pointer-events: all !important;
    opacity: 1 !important;
    color: hsl(0, 0%, 73%);
}

.emoji-info-popover {
    padding: 0;
    height: 370px;

    .popover-content {
        padding: 0;
    }

    &.bottom .arrow {
        border-bottom-color: hsl(0, 0%, 93%);
    }

    &.top .arrow {
        border-top-color: hsl(0, 0%, 93%);
    }
}

.emoji-popover {
    display: block;
    width: 250px;

    .reacted {
        background-color: hsl(195, 50%, 95%);
        border-color: hsl(195, 52%, 79%);
    }
}

.emoji-popover-top {
    position: relative;

    padding: 8px 10px;
    margin-bottom: 0px;

    background-color: hsl(0, 0%, 93%);

    border-radius: 5px 5px 0px 0px;

    .fa-search {
        position: absolute;
        color: hsl(0, 0%, 73%);
        top: 15px;
        left: 17px;
        z-index: 3;
    }

    .emoji-popover-filter {
        margin: auto;
        padding-left: 22px;
        width: calc(100% - 22px - 8px);
    }
}

.emoji-popover-emoji-map,
.emoji-search-results-container {
    padding: 0px;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
    display: block;
    height: 250px;
    width: 247px;
    padding-left: 3px;
}

.emoji-search-results-container {
    height: 283px;
}

.emoji-popover-results-heading {
    font-weight: 600;
    padding: 5px 3px 3px 5px;
    font-size: 17px;
}

.emoji-popover-subheading {
    font-weight: 600;
    padding: 5px 3px;
}

.emoji-popover-emoji {
    display: inline-block;
    margin: 0;
    padding: 6px;
    cursor: pointer;
    border-radius: 0.5em;
    height: 25px;
    width: 25px;

    &.reacted.reaction:focus {
        background-color: hsl(195, 55%, 88%);
        outline: none;
    }

    &:not(.reacted):focus {
        background-color: hsl(0, 0%, 93%);
        outline: none;
    }

    &.hide {
        display: none;
    }

    .emoji {
        top: 6px;
    }
}

.emoji_alt_code {
    position: relative;
    top: 4px;
    font-size: 0.8em;
    display: inline-block;
    vertical-align: top;
    margin: 0px 1px 0px 0px;
    line-height: 1em;
}

.emoji-popover-category-tabs {
    /* Flex needed here to work around #7511 (90% zoom issues in firefox) */
    display: flex;
    background-color: hsl(0, 0%, 93%);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;

    .emoji-popover-tab-item {
        display: inline-block;
        padding-top: 8px;
        width: 25px;
        height: 25px;
        text-align: center;
        font-size: 16px;
        cursor: pointer;
        /* Flex needed here to work around #7511 (90% zoom issues in firefox) */
        flex-grow: 1;

        &.active {
            background-color: hsla(0, 0%, 100%, 0.2);
        }
    }
}

.typeahead .emoji {
    top: 2px;
}

.emoji-showcase-container {
    position: relative;
    background-color: hsl(0, 0%, 93%);
    min-height: 44px;
    width: 250px;
}

.emoji-preview {
    position: absolute;
    width: 32px;
    height: 32px;
    left: 5px;
    top: 6px;
    margin-top: 0px;
}

.emoji-canonical-name {
    position: relative;
    top: 12px;
    margin-left: 50px;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}