style.css

*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background: radial-gradient(gray,black);
    min-height: 100vh;
}
fieldset{
    justify-content: center;
    margin-top: 5rem;
    width: 50%;
    border: none;
}
input, select{
    background: linear-gradient(90deg, yellow, gray);
    border-radius: 5px;
}
option{
    background-color: yellow;
}
.inputs-container{
    display: flex;
    gap: 1rem;
}

#container{
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    padding: 5rem 0;
}
.pokemon-card {
    border-radius: 25px;
    border: 1px solid black;
    width: 15rem;
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 1em;
    background: linear-gradient(45deg, gray, yellow, gray, yellow, gray);
    box-shadow: 0px 5px 12px black;
}
.pokemon-card:hover{
    cursor: pointer;
    transform:perspective(400px) rotateY(-15deg);
    z-index: 1;
    background: linear-gradient(45deg, gray, yellow, aqua, gray, yellow);
    background-size: 400% 400%;
    animation: bg 1.4s ease-in-out infinite;
    scale: 1.2;
    transition: .5s;
}
@keyframes bg {
    from{
        background-position: 0% 100%;
    }
    50%{
        rotate: -5deg; 
        transform:perspective(400px) rotateY(15deg)}
    to{
        background-position: 100% 0%;
    }
}
.pokemon-card:not(hover){
    z-index: 0;
    transition: .5s;
}
.pokemon-card>div>p{
    margin: 1px;
    border: 2px solid darkblue;
    border-radius: 0 0 5px 5px;
    background-color: red;
    color: darkblue;
    font-weight: 600;
}
.pokemon-card>div>p:first-child{
    background-color: greenyellow;
    font-weight: 600;
}
.pokemon-card>div>p:last-child{
    background-color: gray;
}
.pokemon-card>img{
    width: 100%;
    height: 17em;
    object-fit: cover;
    border: 12px solid darkblue;
    border-radius: 5px 5px 0px 0px;
    font-weight: 600;
}
.pokemon-card:hover>img{
    animation: img 1.4s ease-in-out infinite alternate;
    transition: .25s;
}
@keyframes img {
    from{
        filter:brightness(100%) ;
    }
    50%{
        
        filter:brightness(130%) ;
    }
    to{
        filter:brightness(100%) ;
    }
}
.flex{
    display: flex;
}
.col{
    flex-direction: column;
}
.between{
    justify-content: space-between;
}