Cool Material Design Modal

cool-material-design-modal.markdown

Cool Material Design Modal

A Pen by Brenden Palmer on CodePen.

License.

index.html

<div class="flex">
  <a href="#">+</a>
  <div class="modal">
    <div class="inner-modal">
      <div class="content">
        <h1>Modal Content</h1>
        <p>Pretty nifty.</p>
      </div>
    </div>
  </div>
</div>

script.js

document.querySelector('a').addEventListener('click', function(e) {
    e.preventDefault();
    this.classList.toggle('opened');
});

style.less

@import url('https://fonts.googleapis.com/css?family=Pacifico|Open+Sans:300');
* {
    box-sizing: border-box;
    font-family: 'Open Sans',sans-serif;
    font-weight: 300;
}
h1 {
    font-family: 'Pacifico',cursive;
    font-weight: 400;
    font-size: 2.5em;
    margin-bottom: 0;
}
.flex {
    display: flex;
}
a {
    &:link, &:hover, &:visited, &:active {
        display: block;
        text-decoration: none;
        color: #fefefe;
        font-size: 2em;
        width: 50px;
        height: 50px;
        text-align: center;
        line-height: 50px;
        border-radius: 50%;
        background: #29B6F6;
        position: fixed;
        z-index: 2;
        top: calc(~"100% - 75px");
        left: calc(~"100% - 75px");
        transform-origin: 50%;
        transform: rotate(90deg);
        transition: all .5s ease;
        backface-visibility: hidden;
    }
    &:hover {
        background: #03A9F4;
    }
    &:active {
        box-shadow: inset 0 0 .2em rgba(0,0,0,.3);
    }
    &.opened {
        top: -230px;
        left: -80px;
        transform: rotate(-45deg);
        transform-origin: 750%;
        & ~ .modal .inner-modal {
            width: 200vw;
            height: 200vw;
            .content {
                opacity: 1;
                transition-delay: .5s;
            }
        }
    }
}
.modal {
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 1;
    top: 0;
    left: 0;
    .inner-modal {
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex: none;
        background: #01579B;
        width: 0;
        height: 0;
        transition: all .4s ease-in .4s;
        backface-visibility: hidden;
        .content {
            opacity: 0;
            transition: opacity .4s ease;
            backface-visibility: hidden;
            color: #fefefe;
            text-align: center;
            max-width: 90vw;
            max-height: 90vh;
        }
    }
}