/* 
---------- 
circuitjs
---------- 
*/
.sim-wrapper {
  position: relative;
  width: 100%;
  height: 700px;
  border: 1px solid #aaa;
}

/* iframe */
.sim-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* кнопка */
.sim-fullscreen-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 10;
}

/* Вместо body.sim-fullscreen .sim-wrapper */
.sim-wrapper.sim-fullscreen {
    position: fixed;
    inset: 0;
    height: 100vh;
    background: #fff;
    z-index: 9999;
}

.sim-wrapper.sim-fullscreen .sim-iframe {
    width: 100%;
    height: 100%;
}

body.sim-fullscreen nav,
body.sim-fullscreen header,
body.sim-fullscreen footer {
  display: none;
}