--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Applications/StoneWebViewer/Resources/Styles/_button.scss	Tue Aug 11 13:24:38 2020 +0200
@@ -0,0 +1,205 @@
+// clean icon buttons
+.wvButton {
+    // Remove <a> default styles. Take care - this class may either be used
+    // with <a> or <button>.
+    &:hover {
+        text-decoration: none;
+        color: white;
+    }
+
+    // Remove <button> default styles.
+    outline: none;
+    background-color: transparent;
+    border: none;
+    border-radius: 0;
+
+    // Set relative to position button absolutely
+    position: relative;
+
+    // Style button
+    display: inline-block;
+    cursor: pointer;
+    font-variant: small-caps;
+    text-transform: lowercase;
+    text-align: center;
+    font-size: 1.3rem;
+    font-weight: 400;
+    color: hsl(0, 0%, 85%);
+    transition: 0.3s text-decoration ease, 0.3s border ease, 0.3s opacity ease;
+
+    // Position button
+    margin: 0;
+    min-width: 3rem;
+    padding: 0 10px;
+    line-height: 3.6rem;
+    &.wvLargeButton{
+        font-size: 2rem;
+        line-height: 6.2rem;
+        padding: 0 20px;
+    }
+}
+
+.wvButton--rotate {
+    @extend .wvButton;
+    // Rotate only the icon
+    &:before, &:after{
+        transform: rotate(90deg);
+        display: inline-block;
+    }
+
+}
+
+.wvButton--vflip {
+    @extend .wvButton;
+    // flip only the icon
+    &:before, &:after{
+        transform: scaleX(-1);
+        display: inline-block;
+    }
+
+}
+
+// button w/ blue underline
+.wvButton--underline, .fa.wvButton--underline {
+    @extend .wvButton;
+
+    position: relative;
+
+    background-color:inherit;
+    text-decoration: none;
+    text-align:left;
+    font-size: 1.2rem;
+    &.wvLargeButton{
+        font-size: 2rem;
+        width: 6.4rem;
+    }
+    * {
+        pointer-events: none;
+    }
+    &:hover, &:active, &:focus{
+        outline:0;
+    }
+
+    width: 3.2rem;
+    vertical-align: middle;
+    color:white;
+    opacity: 0.75;
+    border:none;
+    border-bottom: 2px solid rgba(255,255,255,0.1);
+    &:hover, &:focus{
+        border-color: rgba(255,255,255,1);
+        opacity:1;
+        .wvButton__bottomTriangle{
+            border-left-color: rgba(255,255,255,1);
+            &.toggled{
+                // border-color: rgba(255, 255, 255, 1);
+            }
+        }
+    }
+    &.active{
+        opacity: 1;
+        border-color: $primary;
+    }
+
+    // Make sure the 2px border is not hidden by viewports and other parts of
+    // the layout (.glyphicon class sets top to 1px)
+    top: 0px;
+
+    // Compensate glyphicon whitespace
+    &::before {
+        position: relative;
+        top: -1px;
+    }
+
+    // Adapt font-awesome icon to glyphicon styles
+    &.fa {
+        top: 0px;
+        font-weight: 800;
+    }
+}
+
+.wvButton__bottomTriangle{
+    transition: 0.3s border ease, 0.3s opacity ease;
+
+    display:block;
+    position: absolute;
+    bottom:0;
+    left:0;
+
+    width: 0;
+    height: 0;
+    border-style: solid;
+    border-width: 10px 0 0 10px;
+    border-color: transparent transparent transparent rgba(255,255,255,0.1);
+    &.active{
+        border-color: transparent transparent transparent $primary !important;
+        &.toggled{
+            border-left-color: $primary !important;
+        }
+    }
+    &.toggled{
+        // border-width: 15px 0 0 15px;
+    }
+}
+
+// button w/ border
+.wvButton--border {
+    @extend .wvButton;
+
+    // Prevent multi line buttons.
+    max-height: calc(2.8rem - 3px);
+    max-width: 100%;
+    overflow: hidden;
+
+    // Set margin
+    margin: 0.6rem;
+    margin-left: 0rem;
+    margin-right: 0rem;
+    & + & {
+        margin-left: 0.7rem;
+    }
+
+    // Set button size
+    line-height: 2rem;
+
+    // Align text
+    padding-top: 0.1rem;
+    padding-bottom: 0.5rem;
+
+    // Style button
+    font-size: 1.4rem;
+    border: 1px solid hsl(0, 0%, 27%);
+
+    // Set best looking font with small-caps.
+    font-family: Arial;
+
+    // Change background on hover
+    background-color: hsl(0, 0%, 0%);
+    &:hover {
+        background-color: hsl(0, 0%, 10%);
+    }
+
+    & > .glyphicon { // used with the same element as glyphicons
+        // Position button
+        position: relative;
+        display: inline-block;
+        top: 3px;
+        margin-right: 4px;
+    }
+}
+
+// button w/ border + white modifier to use when the background is white.
+.wvButton--borderAndWhite {
+    @extend .wvButton--border;
+
+    // Text color
+    color: hsl(0, 0%, 10%);
+    border: 1px solid hsl(0, 0%, 73%);
+
+    // Change background on hover
+    background-color: hsl(0, 0%, 100%);
+    &:hover {
+        color: hsl(0, 0%, 10%);
+        background-color: hsl(0, 0%, 90%);
+    }
+}