.mobile-preview {
    border: 40px solid #121212;
    border-width: 55px 7px;
    border-radius: 40px;
    margin: 50px auto;
    overflow: hidden;
    width: 320px;
    height: 500px;
    box-shadow: 0 3px 0 #000, 0 4px 0 #000, 0 5px 0 #000, 0 7px 0 #000, 0 10px 20px #000;
    padding: 15px;
}

.viber-preview button {
    background: #735ff2;
}

.viber-preview .message-container {
    margin-left: 40px;
    padding: 10px;
    background-color: #E6E6FA;
    color: #333;
    border-radius:0 10px 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    word-wrap: break-word;
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
}

.viber-preview .message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: -50px;
    padding: 6px;
    box-shadow: 0 0 2px rgba(0, 0, 0, .2), 0 4px 4px -2px rgba(0, 0, 0, .4);
}

.viber-preview .message-container.sent {
    background-color: #efefef;
}