custom.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body, html {
    overflow: hidden;
    background-color: #f5f5f5;
}
.main-container {
    display: grid;
}
.message-container {
    display: grid;
    border: 1px solid #c4c4c4;
    min-height: 95vh; 
    width: 70vw;
    display: none;
    margin: auto;
    overflow-y: hidden;
    margin-top: 20px;
}
.chat-container {
    display: grid;
    /* grid-template-rows: 92% auto; */
    /* border: 1px solid #c4c4c4; */
    height: 93%;
}
.chat-body {
    height: 85vh;
    overflow-y: auto;
}
.message-box {
    /* position: absolute;
    bottom: 0; */
    align-self: bottom;
    /* border: 1px solid green; */
}
.message {
    background: rgb(225, 235, 225);
    color: rgb(77, 73, 73);
    padding: 7px;
    margin: 5px;
    font-size: 18px;
    width: auto;
    max-width: 50%;
    display: table;
    clear: both;
    border: 1px solid #ababab;
}
.message-left {
    float: left;
    background-color: #dcdcdc;
    color: #252121;
    border-radius: 3px;
}
.message-right {
    float: right;
    border-radius: 3px;
}
.message-username {
    font-weight: bold;
    color: #494949;
    font-size: medium;
}
#message-input {
    width: 95%;
    padding: 4px;
    height: 55px;
    font-size: 19px;
    margin-left: 28px;
    border-radius: 5px;
    border: 1px solid grey;
    outline: none;
}
#user-login-input {
    width: 400px;
    height: 50px;
    padding: 4px;
    font-size: 20px;
    margin: auto;
    margin-top: 50vh;
    padding-left: 20px;
}
button {
    cursor: pointer;
}
button:active {
    color: white;
    font-weight: bolder;
    background-color: rgb(70, 61, 61);
}
.recording {
    width: 100%;
    user-select: none;
}
.row {
    grid-gap: 5px;
    margin: 1px;
    display: grid;
    grid-template-columns: repeat(12, 1fr);
}
.col2 {
    grid-column: span 2;
}
.col4 {
    grid-column: span 4;
}
.col6 {
    grid-column: span 6;
}
.col8 {
    grid-column: span 8;
}
.col10 {
    grid-column: span 10;
}
.col12 {
    grid-column: span 12;
}
audio::-webkit-media-controls-panel {
    color: white;
    font-weight: bolder;
    background: #c6c8c6;
}
@media (max-width: 500px) { 
    .message-container {
        border: 0px;
        height: 100vh; 
        width: 100vw;
        margin: auto;
        overflow-y: hidden;
    }
    #message-input {
        width: 100%;
        height: 100%;
        padding: 4px;
        font-size: 16px;
        margin: auto;
        margin-bottom: -10px;
        border: 1px solid grey;
        outline: none;
    }
}