.center {
    display: block;
    margin: 0 auto;
}

textarea {
    resize: none;
    height: 300px;
    font-size: 1.2em;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
    border: solid 1px rgba(0, 0, 0, 0.2);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1), 0 1px 1px rgba(0, 0, 0, 0.1);
    padding: 10px;
    transition: all 0.3s cubic-bezier(.25, .8, .25, 1);
}

textarea:hover, textarea:focus {
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.1), 0 4px 4px rgba(0, 0, 0, 0.1);
}

.block {
    display: block;
    width: 100%;
}

.row {
    margin-bottom: 20px;
}

.vertical-center {
    min-height: 70%;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

body {
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg width='6' height='6' viewBox='0 0 6 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23e4e4e4' fill-opacity='0.43' fill-rule='evenodd'%3E%3Cpath d='M5 0h1L0 6V5zM6 5v1H5z'/%3E%3C/g%3E%3C/svg%3E");
}

.logo {
    width: 100%;
    max-width: 400px;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    padding-top: 20px;
}