cytoscape-expand-collapse/demo/style.css

This extension provides an interface to expand-collapse nodes.

body {
  font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
  font-size: 14px;
}

#cy {
  z-index: 999;
}

h1 {
  opacity: 0.5;
  font-size: 1em;
  font-weight: bold;
}

.wrap {
  width: 100%;
  overflow: auto;
}

.fleft {
  float: left;
  width: 20%;
  height: 95%;
}

.menu-container {
  background-color: #f8f9fa;
  margin: 2px;
}

.fright {
  float: right;
  height: 95%;
  width: calc(80% - 4px);
  /* count border wid*/
  border: 2px solid #2F4154;
  border-radius: 6px;
}

.list-item {
  margin-left: 10px;
  margin-top: 10px;
}

button {
  position: relative;
  display: inline-block;
  height: 36px;
  padding: 0 8px;
  margin: 6px 2px;
  background-color: #ffffff;
  color: #3f51b5;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 36px;
  vertical-align: middle;
  overflow: hidden;
  cursor: pointer;
  outline: 0;
  z-index: 1;
  -webkit-transition: all .15s ease-in;
  transition: all .15s ease-in;
}

button:hover,
button:focus {
  box-shadow: 0 4px 2px 0 rgba(0, 0, 0, 0.14), 0 6px 1px -2px rgba(0, 0, 0, 0.2), 0 6px 5px 0 rgba(0, 0, 0, 0.12);
}

button:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background-color: currentColor;
  visibility: hidden;
  z-index: 2;
}

button:not(:active):before {
  -webkit-animation: rippleanim 0.4s cubic-bezier(0, 0, 0.2, 1);
  animation: rippleanim 0.4s cubic-bezier(0, 0, 0.2, 1);
  -webkit-transition: visibility .4s step-end;
  transition: visibility .4s step-end;
}

button:active:before {
  visibility: visible;
}

button:disabled {
  cursor: not-allowed;
  opacity: .7;
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
}

label {
  line-height: 36px;
}

input[type='checkbox'] {
  vertical-align: middle;
}

@-webkit-keyframes rippleanim {
  0% {
    width: 0;
    height: 0;
    opacity: .5;
  }

  100% {
    width: 150px;
    height: 150px;
    opacity: 0;
  }
}

@keyframes rippleanim {
  0% {
    width: 0;
    height: 0;
    opacity: .5;
  }

  100% {
    width: 150px;
    height: 150px;
    opacity: 0;
  }
}

.accordion {
  background-color: #eee;
  color: #444;
  cursor: pointer;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
  transition: 0.4s;
  padding: 4px;
}

.active,
.accordion:hover {
  background-color: #ccc;
}

.accordion:after {
  content: '\002B';
  color: #777;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2212";
}

.panel {
  background-color: white;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

.accordion-container {
  padding: 1px 12px 1px 0px;
}