body {
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
}

form > .animation , .overlay{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    width: 100%;
    height: 100vh;
}

.animation {
    position: relative;
        width: 100%;
}

.animation:hover .overlay {
    opacity: 1;
    transition: 5s ease;
}


.overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: .5s ease;
    background-color: #ffffff;
}

textarea {
    padding: 20px 80px;
    margin: 20px;
    border: 1px solid rgb(72, 28, 158);
    border-radius: 15px;
    background-color: rgb(255, 255, 255);
    font-size: 1.3rem;
    font-weight: bold;
    font-family: 'Times New Roman',
        Times,
        serif;
}

textarea:focus {
    outline: none;
    border: 1px solid rgb(144, 144, 144);
    border-radius: 15px;
}

textarea::placeholder {
    color: rgb(144, 144, 144);
    font-size: 20px;
    font-weight: bold;
    font-family: 'Times New Roman',
        Times,
        serif;
    text-align: center;
} 

button {
    color: white;
    font-size: 20px;
    font-weight: bold;
    font-family: 'Times New Roman',
        Times,
        serif;
    text-align: center;
    margin: 20px;
    padding: 12px 100px;
    border: 1px solid rgb(72, 28, 158);
    border-radius: 10px;
    background-color: rgb(115, 64, 218);
}

button:hover,
button:active {
    background-color: rgb(9, 42, 73);
    transition: .5s ease;
}

.thanks {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 60vh;
}

.thanks > h1 {
    font-size: 3rem;
    font-weight: bold;
    font-family: 'Times New Roman',
        Times,
        serif;
    text-align: center;
    margin: 20px;
    padding: 12px 100px;
    border: 1px solid transparent;
    border-radius: 10px;
    background-color: rgb(57, 194, 225);
}


/*
so user can write a kind msg for you,
after submit redirect to page for thank user but in the same layout */