.yudaAnimation .stack { margin: 0 auto; position: relative; z-index: 1000; width: 320px; height: 320px; padding: 0; list-style: none; pointer-events: none }.yudaAnimation .stack__item { background: #fff; height: 100%; width: 100%; border-radius: 4px; text-align: center; overflow: hidden; position: absolute; opacity: 0; display: flex; -webkit-flex-direction: column; flex-direction: column; -webkit-touch-callout: none; -webkit-user-select: none; -khtml-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; pointer-events: auto }.yudaAnimation .stack__item img { width: 100%; display: block; pointer-events: none }.yudaAnimation .controls { position: relative; width: 200px; text-align: center; margin: 3em 0 0 0 }.yudaAnimation .button { border: none; background: none; position: relative; display: inline-block; padding: 0.25em; margin: 0 0.5em; cursor: pointer; width: 50px; height: 50px; z-index: 100; -webkit-tap-highlight-color: rgba(0,0,0,0); font-size: 24px }.yudaAnimation .button .fa { pointer-events: none }.yudaAnimation .button--default { background: #333; border-radius: 3px; color: #fff; font-weight: bold; padding: 0.65em 2em; width: auto; height: auto; font-size: 15.2px }.yudaAnimation .button--sonar { border-radius: 50%; background: #fff }.yudaAnimation .button--sonar::before { position: absolute; top: 50%; left: 50%; border-radius: 50%; content: ""; opacity: 0; pointer-events: none; border: 4px solid rgba(255,255,255,0.5); margin: -35px 0 0 -35px; width: 70px; height: 70px }.yudaAnimation .button--sonar.button--active::before { -webkit-animation: anim-effect-sonar 0.3s ease-out forwards; animation: anim-effect-sonar 0.3s ease-out forwards }@-webkit-keyframes anim-effect-sonar {0% {opacity: 1;-webkit-transform: scale3d(0.9, 0.9, 1);transform: scale3d(0.9, 0.9, 1);}to {opacity: 0;-webkit-transform: scale3d(1.4, 1.4, 1);transform: scale3d(1.4, 1.4, 1);}}@keyframes anim-effect-sonar { 0% { opacity: 1; -webkit-transform: scale3d(0.9, 0.9, 1); transform: scale3d(0.9, 0.9, 1) } 100% { opacity: 0; -webkit-transform: scale3d(1.4, 1.4, 1); transform: scale3d(1.4, 1.4, 1) } }.yudaAnimation .material-circle { width: 150vh; height: 150vh; margin: -75vh 0 0 -75vh; border-radius: 50%; pointer-events: none; opacity: 0; position: absolute; z-index: 0; -webkit-transform: scale3d(0, 0, 1); transform: scale3d(0, 0, 1) }.yudaAnimation .material-circle--accept.material-circle--active { background: #81d47d }.yudaAnimation .material-circle--reject.material-circle--active { background: #e66868 }.yudaAnimation .material-circle--active { -webkit-animation: anim-effect-material 0.6s ease-out forwards; animation: anim-effect-material 0.6s ease-out forwards }@-webkit-keyframes anim-effect-material {0% {opacity: 1;-webkit-transform: scale3d(0, 0, 1);transform: scale3d(0, 0, 1);}70% {opacity: 1;-webkit-transform: scale3d(1.4, 1.4, 1);transform: scale3d(1.4, 1.4, 1);}100% {opacity: 0;-webkit-transform: scale3d(1.4, 1.4, 1);transform: scale3d(1.4, 1.4, 1);}}@keyframes anim-effect-material { 0% { opacity: 1; -webkit-transform: scale3d(0, 0, 1); transform: scale3d(0, 0, 1) } 70% { opacity: 1; -webkit-transform: scale3d(1.4, 1.4, 1); transform: scale3d(1.4, 1.4, 1) } 100% { opacity: 0; -webkit-transform: scale3d(1.4, 1.4, 1); transform: scale3d(1.4, 1.4, 1) } }.yudaAnimation .button:focus { outline: none }.yudaAnimation .button--accept { color: #81d47d }.yudaAnimation .button--reject { color: #e66868 }.yudaAnimation .text-hidden { position: absolute; overflow: hidden; width: 0; height: 0; color: transparent; display: block }.yudaAnimation .stack__item--reject,.yudaAnimation .stack__item--accept { pointer-events: none }.stack--yuda .stack__item--reject { -webkit-animation: yudaReject 0.5s forwards; animation: yudaReject 0.5s forwards }@-webkit-keyframes yudaReject {to {opacity: 0;-webkit-transform: translate3d(0,200px,0);transform: translate3d(0,200px,0);}}@keyframes yudaReject { 100% { opacity: 0; -webkit-transform: translate3d(0,200px,0); transform: translate3d(0,200px,0) } }.stack--yuda .stack__item--accept { -webkit-animation: yudaAccept 0.5s forwards; animation: yudaAccept 0.5s forwards; -webkit-transform-origin: 50% 300%; transform-origin: 50% 300% }@-webkit-keyframes yudaAccept {to {opacity: 0;-webkit-transform: rotate3d(0,0,1,20deg);transform: rotate3d(0,0,1,20deg);}}@keyframes yudaAccept { 100% { opacity: 0; -webkit-transform: rotate3d(0,0,1,20deg); transform: rotate3d(0,0,1,20deg) } }@media screen and (max-width: 60em) { .stack { width: 260px; height: 260px } }