chatbox.css

.chat-box {
    width: 344px;
    position: absolute;
    right: 40px;
    bottom: -80px;
    background: #fff;
    border-radius: 8px 32px 0 0;
    box-shadow: 0 6px 20px 0 rgba(25, 25, 25, 0.3);
    z-index: 9999;
    opacity: 0.4;
}

.chat-box:hover {
    opacity: 1;
}

.chat-box-active {
    width: 345px;
    position: absolute;
    right: 40px;
    bottom: -80px;
    background: #fff;
    border-radius: 8px 32px 0 0;
    box-shadow: 0 6px 20px 0 rgba(25, 25, 25, 0.3);
    z-index: 9999;
    opacity: 0.4;
}

.chat_header-container {
    /*            position: relative;*/
}

.chat-closeOpen {
    width: 30px;
    height: 30px;
    display: inline-block;
    position: absolute;
    bottom: 52px;
    right: 350px;
    color: #444;
    font-size: 40px;
    text-align: center;
    line-height: 14px;
    border: 2px solid #444;
    border-radius: 50%;
    cursor: pointer;
    transition: bottom 0.4s ease-out;
    outline: none;
    transform: rotate(45deg);
}

.chat-closeOpen-active {
    bottom: 424px;
    transition: bottom 0.4s ease-out;
    transform: rotate(0);
    
}

.chat_header {
    display: flex;
    justify-content: flex-start;
    height: 82px;
    padding: 0 0 0 25px;
    background: #44ba6e;
    color: #fff;
    border-radius: 8px 32px 0 0;
    background-image: radial-gradient(circle at 100% 0, rgba(0, 0, 0, 0) 32px, #2b2b2b 33px)
}

.chat_header__container {
    display: block;
    width: 100%;
    margin: auto 0;
    margin-left: 14px;
}

.chat_img_container {
    width: 50px;
    height: 50px;
    margin: auto 0;
    background: #444;
    border-radius: 50px;
}

.chat_header__img {
    width: 50px;
    height: 50px;
    background-image: url(img/iconfinder_user_male_172625.svg);
    background-repeat: no-repeat;
    background-position: 10%5px;
    border-radius: 50px;
    overflow: hidden;
}

.chat_header__title {
    font-size: 16px;
    margin: 0 0 6px;
}

.chat_header__subtitle {
    color: #a8a9a9;
}
.time {
    font-size: 8px;
}
.message-history {
    width: 100%;
    height: 0;
    transition: height 0.4s ease-out;
    padding: 0 10px;
    overflow: auto;
}

.chat-active {
    height: 291px;
    transition: height 0.4s ease-out;
}

.new-message-container {
    display: flex;
    height: 0;
    padding: 0 26px;
    background: #eef1f5;
    transition: height 0.4s ease-out;
    overflow: hidden;
}

.new-message-active {
    height: 82px;
    transition: height 0.4s ease-out;
}

.new-message-input {
    display: none;
    width: 100%;
    margin: 20px auto 6px;
    padding: 10px;
    font-size: 0.85rem;
    border: 1px solid #44ba6e;
    border-radius: 4px;
    resize: none;
}

.new-message-active .new-message-input {
    display: block;
}

.send-message {
    color: #fff;
    background: #444;
    cursor: pointer;
    height: 20px;
    margin: 20px auto 6px;
}

.send-message:hover {
    background: #777;
    cursor: pointer;
}

.message-p {
    min-height: 36px;
    position: relative;
    margin: 8px 0 0 10%;
    padding: 10px;
    background: #44ba6e;
    color: #fff;
}

.message-p:before {
    content: "▲";
    position: absolute;
    top: 15px;
    left: -8px;
    color: #44ba6e;
    font-size: 8px;
    transform: rotate(-90deg);
}

/*
        .message-p:nth-child(2n) {
            margin: 8px 0 0 30%;
        }
*/