body {
    display: grid;
    height: 100vh;
    place-items: center;
}

a {
    font-family: 'Courier New', Courier, monospace;
    font-size: 27px;
    font-weight: 700;
}

/* sliding effect */
.slidinglink  {
    line-height: 1.5;
    box-shadow: inset 0 0 0 0 #3282dd;
    color: #3282dd;
    padding: 0 .25rem;
    margin: 0 -.25rem;
    transition: color .3s ease-in-out, box-shadow .3s ease-in-out;
    text-decoration: none;
}

.slidinglink:hover  {
    color: rgb(255, 255, 255);
    box-shadow: inset 200px 0 0 0 #3282dd;
    text-decoration: none;
}

/*swappin effect*/

.swappinlink {
    overflow: hidden;
    position: relative;
    display: inline-block;
}
  
.swappinlink::before,
.swappinlink::after {
    content: '';
    position: absolute;
    width: 100%;
    left: 0;
}
.swappinlink::before {
    background-color: #54b3d6;
    height: 2px;
    bottom: 0;
    transform-origin: 100% 50%;
    transform: scaleX(0);
    transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
}
.swappinlink::after {
    content: attr(data-replace);
    height: 100%;
    top: 0;
    transform-origin: 100% 50%;
    transform: translate3d(200%, 0, 0);
    transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
    color: #54b3d6;
}

.swappinlink:hover::before {
    transform-origin: 0% 50%;
    transform: scaleX(1);
}
.swappinlink:hover::after {
    transform: translate3d(0, 0, 0);
}

.swappinlink span {
    display: inline-block;
    transition: transform .3s cubic-bezier(0.76, 0, 0.24, 1);
}

.swappinlink:hover span {
    transform: translate3d(-200%, 0, 0);
}