converse-mam-placeholder {
    .mam-placeholder {
        position: relative;
        height: 2em;
        margin: 0.5em 0;
        &:before,
        &:after {
            content: "";
            display: block;
            position: absolute;
            left: 0;
            right: 0;
        }
        &:before {
            height: 1em;
            top: 1em;
            background: linear-gradient(-135deg, lightgray 0.5em, transparent 0) 0 0.5em, linear-gradient( 135deg, lightgray 0.5em, transparent 0) 0 0.5em;
            background-position: top left;
            background-repeat: repeat-x;
            background-size: 1em 1em;
        }
        &:after {
            height: 1em;
            top: 0.75em;
            background: linear-gradient(-135deg, var(--chat-background-color) 0.5em, transparent 0) 0 0.5em, linear-gradient( 135deg, var(--chat-background-color) 0.5em, transparent 0) 0 0.5em;
            background-position: top left;
            background-repeat: repeat-x;
            background-size: 1em 1em;
        }
    }
}