ghost/core/client/assets/sass/modules/global.scss

/*
 * Global styles for Ghost which are used throughout the admin interface
 * Utility classes defined here to keep other libraries (Normalize) from
 * being modified, preventing upgrade later.
 *
 * Table of Contents
 *
 * Utility Classes
 * Global Styles
 * Global Navigation
 * Mobile Navigation
 * Drop-down / Pop-up Menu
 * Notifications
 * Modals
 * Main Elements
 * Floating Headers
 * Image Uploader
 * Misc
 */


/* ==========================================================================
   Utility Classes
   ========================================================================== */

.hidden         { @include hidden; } // TODO: Merge this with .visuallyhidden
.invisible      { visibility: hidden; }
.right          { float: right; }
.left           { float: left; }
.wrapper        { position: relative; }

.markdown, pre, code { font-family: $font-family-mono; }

.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;
}

.clearfix:before,
.clearfix:after {
    content: " ";
    display: table;
}
.clearfix:after { clear: both; }
.clearfix { *zoom: 1; }


/* ==========================================================================
   Global Styles
   ========================================================================== */

html {
    font: normal 81.2%/1.65 "Open Sans", sans-serif;
}

body {
    width:100%;
    color: $darkgrey;
    font-weight: 300;
    background: $lightbrown;
    @include breakpoint($mobile) { background: #fff; }
}

::-moz-selection {
    color: $darkgrey;
    background: lighten($blue, 20%);
    text-shadow: none;
}

::selection {
    color: $darkgrey;
    background: lighten($blue, 20%);
    text-shadow: none;
}

article aside {
    width: 30%;
    padding: 0 2.2em;
    margin: 0 2.2em 1.6em 2.2em;
    float: right;
    background: $lightbrown;
    border-radius: 3px;
}

// Headings

h1, h2, h3,
h4, h5, h6 {
    color: $darkgrey;
    text-rendering: optimizeLegibility;
    line-height: 1;
    margin-top: 0;
}

h2 {
    padding-top: 0.8em;
    margin-top: 0.8em;
    border-top: $lightbrown 1px solid;
}

h1 a:hover {
    text-decoration: none;

    box-shadow: $blue 0 -5px 0 inset;
}

h2 a:hover {
    text-decoration: none;
    box-shadow: $blue 0 -4px 0 inset;
}

h3 a:hover {
    text-decoration: none;
    box-shadow: $blue 0 -3px 0 inset;
}

h4 a:hover,
h5 a:hover,
h6 a:hover {
    text-decoration: none;
    box-shadow: $blue 0 -1px 0 inset;
}

hgroup {
    @include baseline;

    h1, h2, h3,
    h4, h5, h6 {
        padding:0;
        margin:0;
        border:none;
        margin-bottom: 5px;

        a {
            color: $darkgrey;

            &:hover {
                box-shadow: $darkgrey 0 -1px 0 inset;
            }

        }

        /*
         * Make everything except the first
         * heading appear smaller/thinner.
         */
        &:nth-child(n+2) {
            font-size: 1.8em;
            font-weight: 300;
            color: $brown;
        }

    }

}

// Text elements

p, ul, ol { @include baseline; }

ol ol, ul ul,
ul ol, ol ul {
    margin: 0.4em 0;
}

a {
    color:$blue;
    text-decoration:none;
    @include transition(all 0.15s ease-in-out);

    &:hover {
        text-decoration:underline;
    }

    &.highlight {
        color: $orange;
        font-weight: bold;
    }
}

hr {
    display: block;
    height: 1px;
    border: 0;
    border-top: 1px solid $lightbrown;
    margin: 3.2em 0;
    padding: 0;
}

blockquote {
    @include baseline;
    @include box-sizing(border-box);
    padding: 0 1.6em 0 1.6em;
    border-left: $lightbrown 0.6em solid;

    p {
        margin:0.8em 0;
        font-size:1.2em;
        font-weight: 300;
    }

    small {
        display: inline-block;
        margin: 0.8em 0 0.8em 1.5em;
        font-size:0.9em;
        color: $brown;

        &:before { content: '\2014 \00A0'; }
    }

    cite {
        font-weight:bold;
        a { font-weight: normal; }
    }
}

dl {
    @include baseline;

    dt {
        float: left;
        width: 180px;
        overflow: hidden;
        clear: left;
        text-align: right;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-weight: bold;
        margin-bottom: 1em
    }

    dd {
        margin-left: 200px;
        margin-bottom: 1em
    }
}

mark {
    background-color: #ffc336;
}


/* ==========================================================================
   Main Elements
   ========================================================================== */

main {
    position: absolute;
    top: 55px;
    right: 15px;
    bottom: 0;
    left: 15px;
    padding: 0;

    @include breakpoint($mobile) {
        top: 40px;
        left:0;
        right:0;
    }

}


/* ==========================================================================
   Floating Headers
   ========================================================================== */

// Semi-opaque fixed-position headers - used on content/editor
.floatingheader {
    @include box-sizing(border-box);
    position: absolute;
    top:0;
    left:0;
    right:0;
    z-index: 400;
    height: 40px;
    padding: 10px 15px;
    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;
            }

            @include breakpoint($tablet) {
                display: inline-block;
            }
        }
    }

    small {
        font-size: 0.85em;
    }

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

}//.floatingheader

// Special case, when scrolling, add shadows to content headers.
.scrolling {

    .floatingheader {
        box-shadow:
            rgba(0,0,0,0.02) 0 1px 2px,
            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(0,0,0,0.02) 0 2px 2px;
        }
        &::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 3px;
        }
    }

}


/* ==========================================================================
   NProgress
   ========================================================================== */

/* Make clicks pass-through */
#nprogress {
    pointer-events: none;
    -webkit-pointer-events: none;
}

#nprogress .bar {
    background: $blue;

    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;

    width: 100%;
    height: 2px;
}

/* Fancy blur effect */
#nprogress .peg {
    display: block;
    position: absolute;
    right: 0px;
    width: 100px;
    height: 100%;
    box-shadow: 0 0 10px $blue, 0 0 5px $blue;
    opacity: 1.0;

    -webkit-transform: rotate(3deg) translate(0px, -4px);
    -moz-transform: rotate(3deg) translate(0px, -4px);
    -ms-transform: rotate(3deg) translate(0px, -4px);
    -o-transform: rotate(3deg) translate(0px, -4px);
    transform: rotate(3deg) translate(0px, -4px);
}

/* Remove these to get rid of the spinner */
#nprogress .spinner {
    display: block;
    position: fixed;
    z-index: 100;
    top: 15px;
    right: 15px;
}

#nprogress .spinner-icon {
    width: 14px;
    height: 14px;

    border:  solid 2px transparent;
    border-top-color:  $blue;
    border-left-color: $blue;
    border-radius: 10px;

    -webkit-animation: nprogress-spinner 400ms linear infinite;
    -moz-animation:    nprogress-spinner 400ms linear infinite;
    -ms-animation:     nprogress-spinner 400ms linear infinite;
    -o-animation:      nprogress-spinner 400ms linear infinite;
    animation:         nprogress-spinner 400ms linear infinite;
}

@-webkit-keyframes nprogress-spinner {
    0%   { -webkit-transform: rotate(0deg);   transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); transform: rotate(360deg); }
}
@-moz-keyframes nprogress-spinner {
    0%   { -moz-transform: rotate(0deg);   transform: rotate(0deg); }
    100% { -moz-transform: rotate(360deg); transform: rotate(360deg); }
}
@-o-keyframes nprogress-spinner {
    0%   { -o-transform: rotate(0deg);   transform: rotate(0deg); }
    100% { -o-transform: rotate(360deg); transform: rotate(360deg); }
}
@-ms-keyframes nprogress-spinner {
    0%   { -ms-transform: rotate(0deg);   transform: rotate(0deg); }
    100% { -ms-transform: rotate(360deg); transform: rotate(360deg); }
}
@keyframes nprogress-spinner {
    0%   { transform: rotate(0deg);   transform: rotate(0deg); }
    100% { transform: rotate(360deg); transform: rotate(360deg); }
}