h1{
    font-size: 50px;
    text-align: center;
}
textarea {
    width: 65%;
    display: block;
    margin: auto;
    font-size: 15px;
    border: 3px solid rgb(9, 43, 233);
    border-radius: 10px;
    box-sizing: border-box;
    outline: none;
}
#btn {margin: 40px;display: flex;
    justify-content: center;
    align-items: center;
}
#button {
    display: inline-block;
    padding: 15px 25px;
    font-size: 24px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    outline: none;
    color: #fff;
    background-color: #4CAF50;
    border: none;
    border-radius: 15px;
    box-shadow: 0 9px #999;
}
#button:hover {
    background-color: #3e8e41
}
#button:active {
    background-color: #3e8e41;
    box-shadow: 0 5px #666;
    transform: translateY(4px);
}