Ghost/ghost/admin/assets/sass/patterns/_shame.scss

//
// Utilities
// --------------------------------------------------
// We have more robust alternatives in global.scss
// Are any of these actually even used anywhere?

.hidden,
.visuallyhidden,
.screen-reader-text {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
}

.visuallyhidden.focusable:active,
.visuallyhidden.focusable:focus {
    clip: auto;
    height: auto;
    margin: 0;
    overflow: visible;
    position: static;
    width: auto;
}


//
// Floating Header
// --------------------------------------------------

// Semi-opaque fixed-position headers - used on content/editor
.floatingheader {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 400;
    height: 40px;
    padding: 10px 20px;
    font-size: 1.3rem;
    text-transform: uppercase;
    color: $brown;
    //Transparent gradient to make bg fade out as it goes out the top.
    @include linear-gradient(top, white 0%, white 25%, rgba(255,255,255,0.9) 100%, $fallback: transparent);

    // button,
    .button {
        display: inline-block;
        font-size: 10px;
        min-height: 20px;
        height: 20px;
        padding: 3px 4px;
        vertical-align: top;

        &.button-back {
            position: relative;
            top: -2px;
            left: 3px;
            display: none;
            padding: 0 6px 0 3px;

            &:active {
                box-shadow: none;
            }

            &:before {
                left: -8px;
                border-width: 10px 8px 10px 0;
            }

            @media (max-width: 800px) {
                display: inline-block;
            }
        }
    }

    small {
        font-size: 0.85em;
    }

    a,
    button {
        color: $brown;
        &:hover {
            color: $darkgrey;
        }
    }

} // .floatingheader


//
// Scroll Shadows
// --------------------------------------------------

.scrolling {

    .floatingheader {
        box-shadow:
            rgba(0,0,0,0.03) 0 1px 3px,
            rgba(255, 255, 255, 0.5) 0 -1px 0 inset;

        &:before {
            content: "";
            height: 40px;
            width: 80%;
            position: absolute;
            bottom: 0;
            left: 50%;
            margin-left: -40%;
            box-shadow: rgba(0,0,0,0.03) 0 2px 3px;
        }
        &:after {
            content: "";
            height: 40px;
            width: 30%;
            position: absolute;
            bottom: 0;
            left: 50%;
            margin-left: -15%;
            box-shadow: rgba(0,0,0,0.02) 0 3px 4px;
        }
    } // .floatingheader

} // .scrolling


 /* ==========================================================================
   Dropdown Show & Hide
   ---
   Sadly !important is needed, to counteract the stringer selectors applying
   a display property.
   ========================================================================== */

.ghost-popover {
    display: none !important;
}

.ghost-popover.open {
    display: block !important;
}