#navBar nav {
  z-index:  3;
}

.panel {
  display: inline-block;
  position: relative;
  vertical-align: top;
}

#SimulationBackgroundView {
  border-style: double;
  z-index: 0;
}

#SimulationPathView {
  position: absolute;
  left: 0;
  border-style: double;
  z-index: 1;
}

#SimulationIonView {
  position: absolute;
  left: 0;
  border-style: double;
  z-index: 2;
}

#StabilityBackgroundView {
  border-style: double;
  border-style: dashed;
  margin: 3px;
  z-index: 0;
}

#StabilityView {
  position: absolute;
  left: 0;
  border-style: double;
  border-style: dashed;
  margin: 3px;
  z-index: 1;
}


#MassBackgroundView {
  border-style: double;
  border-style: dashed;
  margin: 3px;
  z-index: 0;
}

#MassView {
  position: absolute;
  left: 0;
  border-style: double;
  border-style: dashed;
  margin: 3px;
  z-index: 1;
}

.parameters{
  background: var(--secondary-color-bg);
  box-shadow: 0 0.15em 0.4em rgba(0, 0, 0, .25);
  vertical-align: text-top;
  padding: .5em 1em .5em 1em;
  margin: .5em 1em .5em 1em;
  max-width: 35em;
  display: inline-block;
  border-radius: 0.75em;
}

button{
    border-radius: 0.75em;
    background: var(--primary-color-bg);
    text-decoration: none;
    color: var(--primary-color-text);
    padding: .5em .75em;
    text-align: center;
    display: inline;
    width: auto;
    margin: 0 auto 0 auto;
    cursor: pointer;
}

button:hover{
    background: var(--primary-color-hover);
    box-shadow: -7px 5px 5px 1px var(--dark-shadow);
}

#myContainer {
  width: 400px;
  height: 400px;
  position: relative;
  background: yellow;
}
#animation {
  width: 50px;
  height: 50px;
  position: absolute;
  background-color: red;
}