/*click*/ .content {
display: flex; margin: 0 auto; justify-content: center; align-items: center; flex-wrap: wrap; max-width: 1000px;
}
.heading {
width: 100%; margin-left: 1rem; font-weight: 900; font-size: 1.618rem; text-transform: uppercase; letter-spacing: .1ch; line-height: 1; padding-bottom: .5em; margin-bottom: 1rem; position: relative;
} .heading:after {
display: block; content: ; position: absolute; width: 60px; height: 4px; background: linear-gradient(135deg, #1a9be6, #1a57e6); bottom: 0;
}
.description {
width: 100%; margin-top: 0; margin-left: 1rem; margin-bottom: 3rem;
}
.card {
color: inherit; cursor: pointer; width: calc(33% - 2rem); min-width: calc(33% - 2rem); height: 400px; min-height: 400px; perspective: 1000px; margin: 1rem; position: relative;
} @media screen and (max-width: 800px) {
.card { width: calc(50% - 2rem); }
} @media screen and (max-width: 500px) {
.card { width: 100%; }
}
.front, .back {
display: flex; border-radius: 6px; background-position: center; background-size: cover; text-align: center; justify-content: center; align-items: center; position: absolute; height: 100%; width: 100%; -webkit-backface-visibility: hidden; backface-visibility: hidden; transform-style: preserve-3d; transition: ease-in-out 600ms;
}
.front {
background-size: cover;
font-size: 1.618rem; font-weight: 600; color: #fff; overflow: hidden; font-family: Poppins, sans-serif;
} .front:before {
position: absolute; display: block; content: ; top: 0; left: 0; right: 0; bottom: 0;
z-index: -1;
} .card:hover .front {
transform: rotateY(180deg);
} .card:nth-child(even):hover .front {
transform: rotateY(-180deg);
}
.back {
background: #fff; transform: rotateY(-180deg);
} .card:hover .back {
transform: rotateY(0deg);
} .card:nth-child(even) .back {
transform: rotateY(180deg);
} .card:nth-child(even):hover .back {
transform: rotateY(0deg);
}
.button {
transform: translateZ(40px); cursor: pointer; -webkit-backface-visibility: hidden; backface-visibility: hidden; font-weight: bold; color: #fff; padding: .5em 1em; border-radius: 100px; font: inherit; background: linear-gradient(135deg, #1a9be6, #1a57e6); border: none; position: relative; transform-style: preserve-3d; transition: 300ms ease;
} .button:before {
transition: 300ms ease; position: absolute; display: block; content: ; transform: translateZ(-40px); -webkit-backface-visibility: hidden; backface-visibility: hidden; height: calc(100% - 20px); width: calc(100% - 20px); border-radius: 100px; left: 10px; top: 16px; box-shadow: 0 0 10px 10px rgba(26, 87, 230, 0.25); background-color: rgba(26, 87, 230, 0.25);
} .button:hover {
transform: translateZ(55px);
} .button:hover:before {
transform: translateZ(-55px);
} .button:active {
transform: translateZ(20px);
} .button:active:before {
transform: translateZ(-20px); top: 12px;
}