php-gallery/Flyout/flyout.css

.flyout-dim {
  margin: 0; padding: 0;

  width: 100vw; height: 100vh;

  display: none;

  top: 0; bottom: 0; left: 0; right: 0;

  position: fixed; z-index: 999;

  background-color: var(--bg);
  backdrop-filter: blur(15px);

  opacity: 0;

  transition: opacity 1s cubic-bezier(.19,1,.22,1), filter 1s cubic-bezier(.19,1,.22,1);
}

.flyout {
  margin: 0; padding: 0.5rem;

  max-width: 621px; width: calc(100% - 3.5rem);
  height: auto; min-height: 10rem;

  position: fixed; z-index: 9999;
  left: 50%; bottom: -15rem;
  transform: translateX(-50%) scale(0.5);

  overflow-y: auto;

  background-color: var(--bg);
  backdrop-filter: blur(8px);
  color: white;

  transition: transform 1s cubic-bezier(.19,1,.22,1), bottom 1s cubic-bezier(.19,1,.22,1);

  border-radius: var(--rad);
  border: 0.2rem solid var(--green);
  /*outline: 0.5rem solid var(--bg);*/
}

.flyout-header {
  margin: 0 0 0.5rem 0;
  font-size: 20px;
  font-family: "Lexend Deca", sans-serif;
}
.flyout-description {
  margin: 0 0 0.5rem 0;
  max-height: 8rem;
  overflow-y: auto;

  font-family: 'Secular One',
  sans-serif;
}

.flyout-actionbox {
  display: inline;
  box-sizing: border-box;
}

/* Worlds shittest workaround to a problem I have no clue how to fix */
.flyout-actionbox *,
.flyout-actionbox * * {
  width: 100%;
}
.flyout-actionbox * * * {
  width: auto;
}
.flyout-actionbox > button {
  margin-bottom: 0.5rem;
}
.flyout-actionbox > button > * {
  width: auto;
}