style.css

*{
    padding: 0px;
    box-sizing: border-box;
    
}
body{
    height: 100vh;
    background-color: rgb(221, 250, 215);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: cursive;
}
.container{
    background-color: white;
    height: 300px;
    width: 500px;
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 12px 15px rgba(0,0,0,0,5);
    margin: 10px;
}    
.textarea{
    resize: none;
    width: 100%;
    height: 100px;
    outline: none;
    font-size: 18px;
    padding: 8px;
    border-radius: 10px;
    border: 2px solid grey;

}
.counter{
    display: flex;
    justify-content: space-between;
    padding: 0, 5px;

}

.counter p{
    font-size: 20px;
    color: grey;
}
.total-char{
    color: blue;
}
.remaining-char{
    color: red;
}