style1.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    height: 100vh;
}

.card {
    width: 250px;
    height: 300px;
    position: relative;
    cursor: pointer;

}

.card .content {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.089);
    backdrop-filter: blur(20px);
    border: 1px solid white;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.55);
    transition: all .4s;
}

.card .content p{
    font-size: 0.8em;
    padding:0.3em 1.5em;
    text-align: center;
}
.card:hover .content{
    color:rgb(36,36,36);
}

.card::before,
.card::after{
    content: '';
    position: absolute;
    width: 100%;
    height: 50%;
    background: #7f00ff;
    z-index: -20;
    transition: all .4s;
}

.card::before{
    top:0;
    right:0;

}
.card::after{
    bottom:0;
    left:0;
    background: #E100FF;
}
.card:hover::before{
    width: 50px;
    height:50px;
    transform: translate(20px,-20px);
    border-radius: 50%;
}
.card:hover::after{
    width: 100px;
    height:100px;
    transform: translate(-20px,20px);
    border-radius: 50%;
}