@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700&display=swap');

*{
    font-family: 'Poppins', sans-serif;
    margin:0; padding:0;
    box-sizing: border-box;
    outline: none; border: none;
    text-decoration: none;
    text-transform: uppercase;
}

.container{
    max-width: 500px;
    margin: 50px auto;
    background: #fff;
    padding: 10px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.container form{
    /* background: #fff; */
    /* border-radius: 5px; */
    /* box-shadow: 0 10px 15px rgba(0,0,0,.1); */
    padding: 5px;
    width: 100%;
    /* padding-top: 10px; */
}

.container form .inputBox{
    margin-top: 20px;
}

.container form .inputBox span{
    display: block;
    color:#999;
    padding-bottom: 5px;
}

.container form .inputBox input,
.container form .inputBox select{
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border:1px solid rgba(0,0,0,.3);
    color:#444;
    margin-right: 10px;
    font-size: 1.5rem;
}
.container form .credit-card-inputs {
    width: 100%;
}
.error_return {
    color: red;
    display: none;
    margin-top: 20px;
}
.container form .flexbox{
    display: flex;
    gap:9px;
}

.container form .flexbox .inputBox{
    flex:1 1 150px;
}

.container form .submit-btn{
    width: 100%;
    background:linear-gradient(45deg, blueviolet, deeppink);
    margin-top: 20px;
    padding: 10px;
    font-size: 20px;
    color:#fff;
    border-radius: 10px;
    cursor: pointer;
    transition: .2s linear;
}
.error {
    color: red;
    font-style: italic;
    font-size: 13px;
}
.container form .submit-btn:hover{
    letter-spacing: 2px;
    opacity: .8;
}

.container .card-container{
    position: relative;
    height: 250px;
    /* width: 400px; */
}

.container .card-container .front{
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0; left: 0;
    background:linear-gradient(45deg, blueviolet, deeppink);
    border-radius: 5px;
    backface-visibility: hidden;
    box-shadow: 0 15px 25px rgba(0,0,0,.2);
    padding:20px;
    transform:perspective(1000px) rotateY(0deg);
    transition:transform .4s ease-out;
}

.container .card-container .front .image{
    display: flex;
    align-items:center;
    justify-content: space-between;
    padding-top: 10px;
}

.container .card-container .front .image img{
    height: 50px;
}

.container .card-container .front .card-number-box{
    padding:30px 0;
    font-size: 22px;
    color:#fff;
}

.container .card-container .front .flexbox{
    display: flex;
}

.container .card-container .front .flexbox .box:nth-child(1){
    margin-right: auto;
}

.container .card-container .front .flexbox .box{
    font-size: 15px;
    color:#fff;
}

.container .card-container .back{
    position: absolute;
    top:0; left: 0;
    height: 100%;
    width: 100%;
    background:linear-gradient(45deg, blueviolet, deeppink);
    border-radius: 5px;
    padding: 20px 0;
    text-align: right;
    backface-visibility: hidden;
    box-shadow: 0 15px 25px rgba(0,0,0,.2);
    transform:perspective(1000px) rotateY(180deg);
    transition:transform .4s ease-out;
}

.container .card-container .back .stripe{
    background: #000;
    width: 100%;
    margin: 10px 0;
    height: 50px;
}

.container .card-container .back .box{
    padding: 0 20px;
}

.container .card-container .back .box span{
    color:#fff;
    font-size: 15px;
}

.container .card-container .back .box .cvv-box{
    height: 50px;
    padding: 10px;
    margin-top: 5px;
    color:#333;
    background: #fff;
    border-radius: 5px;
    width: 100%;
}

.container .card-container .back .box img{
    margin-top: 30px;
    height: 30px;
}
.header {
    padding: 20px;
    background: green;
    color: white;
    text-align: center;
}
.footer {
    padding: 20px;
    background: black;
    color: white;
    text-align: center;
    background-color: rgb(51, 51, 51);
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 2;
}