* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #121320;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.gradient {
    height: 200px;
    width:200px;
    border-radius: 50%;
    background: linear-gradient(90deg , violet , violet , white);
    position: relative;
    left: 120px;
    bottom: 100px;
    z-index: -1;
}

.revgradient {
    height: 200px;
    width:200px;
    border-radius: 50%;
    background: linear-gradient(90deg , white , violet , violet);
    position: relative;
    right: 120px;
    top: 100px;
    z-index: -1;
}

.container {
    position: relative;
    width: 370px;
    max-width: 100%;
    z-index: 100;
    perspective: 1000px;
}

.container:hover .card {
    transform: rotateY(180deg);
}

.container:hover .cardback {
    transform: rotateY(0deg);
}

.card {
    height: 225px;
    width: 370px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    padding: 20px;
    z-index: 0;
    display: flex;
    flex-direction: column;
    backface-visibility: hidden;
    transition: 0.6s;
    transform-style: preserve-3d;
}

.cardback {
    transform: rotateY(-180deg);
    height: 225px;
    width: 370px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    transition: 0.6s;
    transform-style: preserve-3d;
}

.top {
    flex: 1.5;
}

.space {
    flex: 0.5;
}

.bottom {
    display: flex;
    flex: 3;
}

.chip {
    height: 60px;
    width: 100px;
    position: relative;
    left: 60px;
    bottom: 5px;
}

.logo {
    height: 45px;
    width: 66px;
    position: relative;
    bottom: 10px
}

.text {
    color: white;
    font-size: 17px;
    position: relative;
    bottom: 28px;
    left: 10px;
}

.right {
    text-align: center;
    color: white;
    position: relative;
    top: 50px;
    left: 60px;
}

.cardback span {
    white-space: nowrap;
}

.blackstrip {
    height: 50px;
    width: 370px;
    background-color: black;
    position: relative;
    top: 15px;
    right: 20px;
}

.whitestrip {
    height: 40px;
    width: 270px;
    background-color: white;
    position: relative;
    top: 35px;
    border-radius: 5px;
}

.cvv {
    background-color: white;
    height: 30px;
    width: 40px;
    position: relative;
    left: 265px;
    top: 5px;
    font-size: 14px;
    border-radius: 5px;
}

.cvv em {
    color: black;
    position: relative;
    left : 10px;
    top: 7px;
}

.dummy {
    color: white;
    position: relative;
    top: 50px;
    font-size: 11px;
    white-space: inherit;
}