js.popuper/dist/css/popuper.css

CSS smart sticky position for exceeding aside blocks

.popuperWrap {
  position: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: #00000091;
  z-index: 99999;
}

.popuperWrap *::-webkit-scrollbar {
  width: 10px;
  background-color: #e8e8e8;
}

.popuperWrap *::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 2px;
  width: 6px;
}

.popuper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: max-content;
  width: max-content;
  max-width: 500px;
  min-width: 320px;
  border-radius: 12px;
  overflow: hidden;
  max-height: 90vh;
  animation: appearance 0.2s ease;
}
.popuper__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 20px 20px 10px;
  background: white;
}
.popuper__title {
  font-weight: bold;
  font-size: 20px;
}
.popuper__text {
  max-height: 60vh;
  margin-bottom: 20px;
  flex-grow: 1;
  overflow: auto;
}
.popuper__body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
  padding: 15px 20px;
  background: white;
  overflow-y: auto;
}
.popuper__close {
  display: flex;
  margin-left: auto;
  cursor: pointer;
}
.popuper__close svg {
  width: 25px;
  height: 25px;
}
.popuper__controls {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: center;
  padding: 10px 20px 10px;
  background: white;
}
.popuper button {
  padding: 10px 15px;
  border-radius: 8px;
  background: #d7d7d7;
  color: #1a1a1a;
  outline: none;
  border: none;
  cursor: pointer;
  transition: all ease 0.2s;
}
.popuper button:hover {
  background: #bbbbbb;
}

.--fixed {
  overflow-y: hidden;
}

@keyframes appearance {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  70% {
    transform: scale(1.1);
    opacity: 0.9;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
@media (max-width: 600px) {
  .popuper {
    max-height: 100vh;
    max-width: 100vw;
  }
  .popuper__header {
    padding: 10px 15px;
  }
  .popuper__body {
    overflow: auto;
    padding: 10px 20px 10px;
  }
  .popuper__text {
    max-height: none;
    margin-bottom: 20px;
  }
  .popuper__controls {
    padding: 10px 20px 10px;
  }
}