.bg_img{
    background-image: repeating-conic-gradient(red 10%, yellow 20%);
}
#messages{
    padding-bottom: 30%;
}

li {
    list-style-type: none;
    margin-bottom: 10px;
    background-color: #000000;
    padding: 5px;
    border-radius: 10px;
    color: white;
    width: 100%;
    font-size: 15px;
    margin-left: -20px;
}

li span {
    font-style: italic;
    font-weight: bolder;
    color: #dd6666;
    font-size: 10px;
}

#chat {
    width: 70%;
    text-align: left;;
}

#message-form {
    text-align: center;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: #b7b5b9;
}

input {
    width: 70%;
    height: 30px;
}

button {
    width: 25%;
    height: 38px;
}

.sent {
    text-align: right;
    background-color: #000000;
    margin-left: 35%;
    text-align: right;
    margin-right: 15px;
}

.sent span {
    margin-left: 5px;
    color: #73ff00;
    font-size:10px;
}