1 .paper-shadow { 2 position: absolute; 3 top: 0; 4 left: 0; 5 bottom: 0; 6 right: 0; 7 border-radius: inherit; 8 pointer-events: none; 9 } 10 11 .paper-shadow-animated.paper-shadow { 12 transition: box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1); 13 } 14 15 .paper-shadow-top-z-1 { 16 box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.16); 17 } 18 19 .paper-shadow-bottom-z-1 { 20 box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26); 21 } 22 23 .paper-shadow-top-z-2 { 24 box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.19); 25 } 26 27 .paper-shadow-bottom-z-2 { 28 box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2); 29 } 30 31 .paper-shadow-top-z-3 { 32 box-shadow: 0 17px 50px 0 rgba(0, 0, 0, 0.19); 33 } 34 35 .paper-shadow-bottom-z-3 { 36 box-shadow: 0 12px 15px 0 rgba(0, 0, 0, 0.24); 37 } 38 39 .paper-shadow-top-z-4 { 40 box-shadow: 0 25px 55px 0 rgba(0, 0, 0, 0.21); 41 } 42 43 .paper-shadow-bottom-z-4 { 44 box-shadow: 0 16px 28px 0 rgba(0, 0, 0, 0.22); 45 } 46 47 .paper-shadow-top-z-5 { 48 box-shadow: 0 40px 77px 0 rgba(0, 0, 0, 0.22); 49 } 50 51 .paper-shadow-bottom-z-5 { 52 box-shadow: 0 27px 24px 0 rgba(0, 0, 0, 0.2); 53 } 54 55 .paper-shadow-animate-z-1-z-2.paper-shadow-top { 56 -webkit-transition: none; 57 -webkit-animation: animate-shadow-top-z-1-z-2 0.7s infinite alternate; 58 } 59 60 .paper-shadow-animate-z-1-z-2 .paper-shadow-bottom { 61 -webkit-transition: none; 62 -webkit-animation: animate-shadow-bottom-z-1-z-2 0.7s infinite alternate; 63 } 64 65 @-webkit-keyframes animate-shadow-top-z-1-z-2 { 66 0% { 67 box-shadow: 0 2px 10px 0 rgba(0, 0, 0, 0.16); 68 } 69 100% { 70 box-shadow: 0 6px 20px 0 rgba(0, 0, 0, 0.19); 71 } 72 } 73 74 @-webkit-keyframes animate-shadow-bottom-z-1-z-2 { 75 0% { 76 box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26); 77 } 78 100% { 79 box-shadow: 0 8px 17px 0 rgba(0, 0, 0, 0.2); 80 } 81 }