.msg-board {
    height: 3vh;
    background-color: rgb(112, 1, 103);
    overflow: hidden;
}

.msg-board:hover {
    transition: all 1s;
    height: 30vw;
    z-index: 100;
}

.msg-board:not(:hover) {
    transition: all 4s;
    height: 3vh;
    z-index: 100;
}

.msg-board h1 {
    margin: 0px;
    padding: 0px;
    text-align: center;
}