style.css

@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@200&display=swap');
:root {
   --font-style: 300 1em/1.5 'Nunito Sans', sans-serif;
}

*,
*:before,
*:after {
   box-sizing: border-box;
   padding: 0;
   margin: 0;
   font: var(--font-style);
   text-decoration: none;
   color:white;
   
}

body {
   background: #131315;
   font: var(--font-style);
   background-image: url(oJ7mKaaj_400x400.jpg);
   background-position: center;
   background-repeat: no-repeat;
   
}
.nav-title{
   text-align: center;
   text-shadow: #DF00FF;
   text-decoration-color: aqua;
   width:border;
   border:6px solid palevioletred;
   width:260px;
   border-radius: 20px;
   box-shadow: yellow;
   font-size:40px;
   font-style: italic;
   font-weight: bolder;

}
.nav-links{
   size: 3px;
   color: coral;
   padding: 7px;
   size-adjust: 30px;
   font-size:18px;
   font-weight: 100;

   
}
.link-inner{
   font-weight: bold;
}
img{
   border-radius:50%;
   

}


button:hover {
   cursor: pointer;
   box-shadow: 0px 4px 4px #DF00FF;
}

button {
   color: #fff;
   border-radius: 25px;
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   background: transparent;
   outline: none;
   border: 0;
   padding: 15px 50px;
   overflow: hidden;
   transition: all 0.5s;
 
}
/*button:before (attr data-hover)*/

button:hover:before {
   opacity: 1;
   transform: translate(0, 0);
}
.about{
   font-size: 25px;
   font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

button:before {
   content: attr(data-hover);
   position: absolute;
   top: 1.1em;
   left: 0;
   width: 100%;
   text-transform: uppercase;
   letter-spacing: 3px;
   font-weight: 800;
   font-size: .8em;
   opacity: 0;
   transform: translate(-100%, 0);
   transition: all .3s ease-in-out;
   
}
/*button div (button text before hover)*/

button:hover div {
   opacity: 0;
   transform: translate(100%, 0)
   
}

button div {
   text-transform: uppercase;
   letter-spacing: 3px;
   font-weight: 800;
   font-size: .8em;
   transition: all .3s ease-in-out;
}