view-mode-selector.css in View Mode Selector 7

.view-mode-selector-view-modes .settings {
  margin-left: 3em;
}

/* HTML preview styling
  ==============================================================================
  We display the view mode radio buttons as justified grid.
  The guys at justifygrid.com describe very well how this works
*/
.field-type-view-mode-selector .form-radios {
  text-align: justify;
  font-size: 0;
  line-height: 0;
}

.field-type-view-mode-selector .form-radios .form-item {
  display: inline-block;
  padding-left: 1em;
  min-width: 100px;
  font-size: 1rem;
  line-height: 1.4em;
  vertical-align: top;
  text-align: center;
}

.field-type-view-mode-selector .form-radios .form-item:first-child {
  padding-left: 0;
}

.field-type-view-mode-selector input[type="radio"]:not(.no-preview) {
  display: none;
}

/* Icon & Preview layout */
.field-type-view-mode-selector .form-radios img {
  display: block;
  max-width: 100px;
  height: auto;
  margin: 0 !important;
}

.field-type-view-mode-selector .form-radios label {
  display: block;
}

/* Preview coloring */
.field-type-view-mode-selector .form-radios .placeholder {
  background: #000;
  min-height: 20px;
  border: 2px solid white;
  color: #fff;
  font-size: 0.8em;
}

.field-type-view-mode-selector .form-radios .placeholder ~ .placeholder {
  margin-top: 1px;
}

.field-type-view-mode-selector .form-radios label img,
.field-type-view-mode-selector .form-radios label .entity {
  padding: 0.4em;
  background: rgba(0, 0, 0, 0.075);
  transition: .4s background ease;
}

.field-type-view-mode-selector .form-radios .form-item:hover label img,
.field-type-view-mode-selector .form-radios .form-item:hover label .entity {
  background: rgba(0, 0, 0, 0.2);
}

.field-type-view-mode-selector .form-radios input[type="radio"]:checked + label img,
.field-type-view-mode-selector .form-radios input[type="radio"]:checked + label .entity {
  background: rgba(150, 188, 68, 0.9);
}

/* Fixes for Shiny admin theme */
.field-type-view-mode-selector .form-radios label:before {
  display: none;
}

.field-type-view-mode-selector input[type="radio"] {
  opacity: 1;
}