.change {
    perspective: 210px;
    padding-top: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-change {

    --btn-height: 200px;
    --half-btn-height: calc(var(--btn-height) / 2);
    text-align: center;
    height: var(--btn-height);
    width: 320px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s ease-in-out;
    transform: translateZ(calc(-1 * var(--half-btn-height)));
}

.change .btn-change i {
    padding-right: 20px;
}

.btn-change:hover {
    transform: rotateX(-90deg) translateY(var(--half-btn-height));
}

.side {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    backface-visibility: hidden;
}

.default-side {

    background-color: var(--scarlet);
    color: var(--gold);
    transform: translateZ(var(--half-btn-height));

}

.hover-side {
    color: var(--scarlet);
    background-color: blue;
    transform: rotateX(90deg) translateZ(var(--half-btn-height));
}

.container {
    background-color: transparent;
    backdrop-filter: blur(25px);
    margin: 50px auto;
    border-radius: 20px;
    padding: 10px 20px;
    border: 2px;
    width: 250px;
    box-shadow: 10px 10px 20px black;
    transition: all 400ms ease-out;
    align-items: center;
}

@media screen and (min-width: 420px) {
    .container {
        width: 285px;
    }
}

@media screen and (min-width: 520px) {
    .container {
        width: 360px;
    }
}

@media screen and (min-width: 650px) {
    .container {
        width: 440px;
    }
}

@media screen and (min-width: 800px) {
    .container {
        width: 500px;
    }
}

@media screen and (min-width: 1100px) {
    .container {
        width: 700px;
    }
}

.container:hover {
    border: 3px;
    box-shadow: 0px 35px 40px black;
    transform: translateY(-7%);
}

.step {
    text-align: center;
    align-items: center;
}

.step h1 {
    font-size: 23px;
    color: gainsboro;
    margin: 15px 5px;
}

@media(min-width: 600px) {
    .step h1 {
        font-size: 27px;
    }
}

@media(min-width: 800px) {
    .step h1 {
        font-size: 30px;
    }
}

@media(min-width: 999px) {
    .step h1 {
        font-size: 34px;
    }
}

.step h2 {
    font-size: 21px;
    margin: 15px 5px;
    color: gold;
}

@media(min-width: 600px) {
    .step h2 {
        font-size: 26px;
    }
}

@media(min-width: 800px) {
    .step h2 {
        font-size: 35px;
    }
}

@media(min-width: 999px) {
    .step h2 {
        font-size: 40px;
    }
}

@media(min-width: 1100px) {
    .step h2 {
        font-size: 50px;
    }
}

.step h3 {
    color: blue;
    font-size: 22px;
    margin: 15px 5px;
    cursor: pointer;
}
.step h3:hover {
    color: gold;
}

@media(min-width: 600px) {
    .step h3 {
        font-size: 25px;
    }
}

@media(min-width: 800px) {
    .step h3 {
        font-size: 28px;
    }
}

@media(min-width: 999px) {
    .step h3 {
        font-size: 33px;
    }
}

@media(min-width: 1100px) {
    .step h3 {
        font-size: 37px;
    }
}

.step p {
    font-size: 14px;
    color: blue;
    text-decoration: none;
}
.step p:hover {
    color: gold;
}

@media(min-width: 600px) {
    .step p {
        font-size: 18px;
    }
}

@media(min-width: 800px) {
    .step p {
        font-size: 21px;
    }
}

@media(min-width: 999px) {
    .step p {
        font-size: 25px;
    }
}

@media(min-width: 1100px) {
    .step p {
        font-size: 29px;
    }
}


.send {
    border: 2px solid blue;
    cursor: pointer;
    background-color: blue;
    width: 160px;
    height: 90px;
    margin-top: 20px;
    position: relative;
    display: inline-block;
    text-transform: uppercase;
    text-decoration: none;
    overflow: hidden;
    transition: 0.0010s;
}

@media screen and (min-width: 700px) {
    .send {
        width: 220px;
        height: 140px;
    }
}

.send h3 {
    color: black;
    font-size: 21px;
    font-family: 'Exo', sans-serif;
}

@media(min-width: 700px) {
    .send h3 {
        font-size: 32px;
    }
}

.send:hover {

    background: rgb(0, 255, 0);
    box-shadow: 0 0 90px rgb(0, 255, 0),
        0 0 110px rgb(0, 255, 0),
        0 0 140px rgb(0, 255, 0);
    transition-delay: 0.7s;
}

@media screen and (min-width: 720px) {
    .send:hover {
        box-shadow: 0 0 120px rgb(0, 255, 0),
            0 0 150px rgb(0, 255, 0),
            0 0 190px rgb(0, 255, 0);

    }
}

.send:hover h3 {
    color: rgb(1, 102, 43);
    font-size: 28px;
}

@media(min-width: 700px) {
    .send:hover h3 {
        font-size: 40px;
    }
}

.send span {
    position: absolute;
    display: block;
}

.send span:nth-child(1) {
    top: 0;
    left: -100%;
    width: 100%;
    height: 90px;
    background: linear-gradient(90deg, transparent, rgb(0, 255, 0));
}

@media screen and (min-width: 700px) {
    .send span:nth-child(1) {
        height: 140px;
    }
}

.send:hover span:nth-child(1) {
    left: 100%;
    transition: 1s;
}

.send span:nth-child(2) {
    top: -100%;
    right: 0;
    width: 50px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgb(19, 255, 19));
}

.send:hover span:nth-child(2) {
    left: 100%;
    transition: 1s;
    transition-delay: 0.15s;
}

.send span:nth-child(3) {
    bottom: 0;
    right: -100%;
    width: 100%;
    height: 50px;
    background: linear-gradient(270deg, transparent, rgb(15, 253, 15));
}

.send:hover span:nth-child(3) {
    left: 100%;
    transition: 1s;
    transition-delay: 0.5s;
}

.send span:nth-child(4) {
    bottom: -100%;
    left: 0;
    width: 50px;
    height: 100%;
    background: linear-gradient(270deg, transparent, rgb(36, 255, 36));
}

.send:hover span:nth-child(4) {
    bottom: 100%;
    transition: 1s;
    transition-delay: 0.65s;
}

.copyfield{
    display: flex;
    align-items: center;
}

#link{
    align-items: center;
    width: 75%;
    height: 50px;
    padding: 4px 4px;
    border: 2px solid blue;
    background-color: #fff;
    font-size: 17px;
    overflow-x: scroll;
    margin-right: 3px;
}
#link::-webkit-scrollbar{
    height: 8px;
    border-radius: 2px;
}

#copy-btn{
    width: 25%;
    height: 55px;
    cursor: pointer;
    padding: 5px 2px;
    border: 2px solid blue;
    align-items: center;
    background-color: var(--gold);
}
#copy-btn:hover {
    background-color: var(--scarlet);
    height: 60px;
}
#copy-btn p {
    color: blue;
    font-size: 18px;
    margin-top: 5px;
}
#copy-btn p:hover {
    font-size: 20px;
    margin-top: 6px;
}


@media(min-width: 700px) {
    iframe {
        width: 400px;
    }
}