.thumbail > img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border: 1px solid blue;
    cursor: pointer;
}
.thumbail:hover .thumbail_under{
    display: block;
}
.thumbail_under{
    display: none;
    position: absolute;
    width: 100px;
    height: 100px;
    z-index: 10;
    background-color: rgba(255,255,255,0.5);
}
.msg-from{
    display: block; align-self:  left; 
    width: max-content; background-color: white; padding: 5px; 
    margin: 2px; 
    position: relative; border-radius: 5px; font-size:1em;
    max-width: 60%; margin-left: 7%;
    box-shadow: 0 1px .5px rgba(120,120,120,.13);
    -ms-word-break: break-all;
    word-break: break-all;
    word-break: break-word;
    margin-top: 12px;
    font: inherit;
    font-size: 100%;
    color: black;
}
.msg-to{
    display: block; align-self:  end; 
    width: max-content; background-color: #dcf8c6; padding: 5px; 
    margin: 2px;
    position: relative; border-radius: 5px; font-size:1em;
    max-width: 60%;margin-left: auto; margin-right: 7%;
    box-shadow: 0 1px .5px rgba(120,120,120,.13);
    -ms-word-break: break-all;
    word-break: break-all;
    word-break: break-word;
    margin-top: 12px;
    font: inherit;
    font-size: 100%;
    color: black;
}
.msg-hour{
    text-align: right; font-size: 0.75em;
}
.chat-window{
    background-color: lightyellow; width: 100%; position: absolute; padding-top: 0px;
}
.form-control-sc{
    height: calc(1.5em + 0.5rem);
}