style.css

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.cont{
    min-height: 100%;
    min-width: 100%;
}
#cont{
    height: auto;
    width: 50%;
    background-color: #ffffff;
    position: absolute;
    margin-bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
    color: #1d1c1c;
}
#cont .msg{
    height: auto;
    width: 50%;
    background-color: #ffffff;
    position: relative;
    margin-bottom: 60px;
    box-shadow: 0px 0px 10px #fafafa;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
    color: #1d1c1c;
    border-radius: 10px;
    border: 1px solid #111111;
    word-wrap: break-word;
    word-break: keep-all;
}
#cont .msg .time{
      font-size: 12px;
      letter-spacing: 2px;
      color: #aeaeae;
      padding: 5px 10px;
      font-weight: 300;
}
#cont .msg .msg_string{
    font-size: 20px;
    letter-spacing: 3.332px;
    padding: 2px 10px;
    color: #818181;
}
.msg_cont{
    height: 40px;
    border-radius: 10px;
    width: 50%;
    background-color: #ffffff;
    position: fixed;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    box-shadow: 0px 0px 10px #aeaeae;
    border-radius: 10px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 600;
    padding: 5px;

}
.send_msg{
    height: auto;
    width: 80%;
    border: none;
    outline: none;
    font-size: 22px;
    font-weight: 700;
    position: relative;
    color: #212121;
    font-family: 'Courier New', Courier, monospace;
    padding: 5px 10px;
    }
.submit{
    height: auto;
    width: 18%;
    background-color: rgb(7, 207, 7);
    color: #ffffff;
    border: none;
    outline-color: rgb(7, 207, 7);
    position: absolute;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 800;
    padding: 5px 10px;
    letter-spacing: 2px;

}