body {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(to bottom, transparent, rgb(255, 255, 255)) rgb(214, 219, 220) !important;
} 

#heading {
    margin: 24px;
    font-weight: 800;
    color: rgb(0, 0, 0);
    text-transform: uppercase;
    text-align: center;
}

#trix trix-editor {
    background-color: rgb(255, 255, 255);
}

#btn {
    color: rgb(0, 0, 0);
    padding: 10px 30px;
    font-weight: 800;
    border: 1px solid rgb(214, 219, 220);
    border-radius: 3px;
    background-color: rgb(255, 255, 255);
}

.animate-in {
    animation-name: in;
    animation-duration: 1s;
}

.animate-out {
    animation-name: out;
    animation-duration: 1s;
}

@keyframes in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes out {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}