Код:

<!--HTML-->
<div class="container">
    <div class="message-blue">
        <p class="message-content">wish u burn urself with that lighter</p>
        <div class="message-timestamp-left">       SMS 28/05/20 19:24</div>
    </div>

    <div class="message-blue">
        <p class="message-content">unluckly u won't</p>
        <div class="message-timestamp-left">       SMS 28/05/20 19:24</div>
    </div>

    <div class="message-blue">
        <p class="message-content">so see ya later idiotic xo</p>
        <div class="message-timestamp-left">       SMS 28/05/20 19:24</div>
    </div>

    <div class="message-orange">
        <p class="message-content">gosh i hope never.</p>
        <div class="message-timestamp-right">SMS 28/05/20 19:26</div>
    </div>
<style>@import url(https://fonts.googleapis.com/css?family=Open+Sans:300,400);

.container1 {
    width: 400px;
    padding: 10px;
}

.message-blue {
    position: relative;
    margin-left: 20px;
    margin-bottom: 10px;
    padding: 10px;
    background-color: #1C1C1C;
    width: 200px;
    height: 30px;
    text-align: left;
    font: 800 16 px 'Open Sans', sans-serif;
    border: 1px solid #1C1C1C;
    border-radius: 10px;
    left: 15px;
color: white;
}

.message-orange {
    position: relative;
    margin-bottom: 10px;
    margin-left: calc(100% - 240px);
    padding: 10px;
    background-color: #920000;
    width: 200px;
    height: 30px;
    text-align: left;
    font: 800 16 px 'Open Sans', sans-serif;
    border: 1px solid #920000;
    border-radius: 10px;
color: white;
}

.message-content {
    padding: 0;
    margin: 0;
}

.message-timestamp-right {
    position: absolute;
    font-size: 8px;
    font-weight: 300;
    bottom: 5px;
    right: 9px;
}

.message-timestamp-left {
    position: absolute;
    font-size: 8px;
    font-weight: 300;
    bottom: 5px;
    left: 12px;
}

.message-blue:after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-top: 15px solid #1C1C1C;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    top: 0;
    left: -15px;
    right: 5px;
}

.message-blue:before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-top: 17px solid #1C1C1C;
    border-left: 16px solid transparent;
    border-right: 16px solid transparent;
    top: -1px;
    left: -17px;
}

.message-orange:after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-bottom: 15px solid #920000;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    bottom: 0;
    right: -15px;
}

.message-orange:before {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
    border-bottom: 17px solid #920000;
    border-left: 16px solid transparent;
    border-right: 16px solid transparent;
    bottom: -1px;
    right: -17px;
}

#message-orange img {
 width: 50 px;
}

#message-blue img {
 width: 50 px;
}

</style>