nextcloud-breeze-dark/core/css/apps/_phone-sync.scss

.app-ocsms #app-content-header {
    margin-top: 1px;
}

#app-mailbox-peers {
    border-color: $decoration-normal;
    background-color: $background-dark;
    
    li {
        border-top-color: $decoration-normal;

        &:hover {
            background-color: $background-active-hover;

            & > a {
                background: none;
            }
        }
    }

    .selected {
        background-color: $background-active;

        &:hover {
            background-color: $background-active;
        }

        a {
            background: none;
        }
    }
}

.ocsms-plname {
    color: $foreground-normal;
}

#ocsms-phone-msg-nb {
	color: $foreground-normal;
}

#ocsms-phone-label {
	font-weight: bold;
	color: $foreground-active;
}

.msg-date {
	color: $foreground-inactive;
    opacity: 0.5;
}

.msg-sent, .msg-recv {
    background-color: $background-dark;
	border-color: $decoration-normal;
    box-shadow: none;

    &:hover .msg-date {
        opacity: 1;
        color: $foreground-inactive;
    }
}

.msg-sent {
	border-color: $foreground-positive;
}