@xexiu/astro-modal/src/modal-styles.css

A pure css and html modal component for Astro

button {
  all: unset;
}

html:has(dialog[open]) body {
    overflow: hidden;
    height: 100%;
    -webkit-overflow-scrolling: touch;
    position: fixed;
    inset: 0;
  }

  @keyframes fade-opacity-in {
    0% {
      opacity: 0;
    }

    100% {
      opacity: 1;
    }
  }

  dialog {
    border: 0;
    opacity: 0;
    border-radius: 5px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 100%;
    overflow-y: auto;
  }
  dialog::backdrop {
    position: fixed;
      inset: 0;
      background: rgb(0 0 0 / 90%);
  }

  dialog[open] {
    transition: opacity 1s;
    animation: fade-opacity-in 1s forwards;
    cursor: auto;
  }

  .dialog-container {
    position: relative;
    padding: 15px;
  }

  .modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #ddd;
  }

  .close-btn-modal {
    cursor: pointer;
    position: absolute;
    right: 5px;
    top: 5px;
  }

  .close-modal-icon {
    height: 25px;
    opacity: 0.8;

    &:hover {
      opacity: 1;
    }
  }