fullpage頁面中【關閉】特效

https://alvarotrigo.com/fullPage/#examples

中【關閉】按鈕效果特酷，因而學習下

<a href="#" class="info-close"></a>

 

.info-close {
    position: fixed;
    top: 20px;
    right: 48px;
    z-index: 999;
    font-size: 3em;
    cursor: pointer;
    height: 50px;
    width: 50px;
    box-sizing: border-box;
    line-height: 50px;
    display: inline-block;
    -webkit-transition: all 530ms cubic-bezier(.48,.030,.195,1);
    -webkit-transition: all 530ms cubic-bezier(.48,.030,.195,1.51);
    -moz-transition: all 530ms cubic-bezier(.48,.030,.195,1.51);
    -o-transition: all 530ms cubic-bezier(.48,.030,.195,1.51);
    transition: all 530ms cubic-bezier(.48,.030,.195,1.51);
    transform: scale(0) translateZ(0)
}

.examples.active .info-close {
    transform: scale(1) translateZ(0);
}

.info-close:after,.info-close:before {
    transform: rotate(-45deg);
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -5px;
    margin-left: -25px;
    display: block;
    height: 10px;
    width: 50px;
    background-color: #fff;
    transition: all .25s ease-out
}

.info-close:after {
    transform: rotate(-135deg)
}

.info-close:hover:after,.info-close:hover:before {
    transform: rotate(0)
}