CSS100Day(28)-振铃动画

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<div class="frame">
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    <svg width="14px" height="60px" class="line line-1">
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        <path d="M2,58 C14,45 14,15 2,2"></path>
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    </svg>
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    <svg width="14px" height="60px" class="line line-2">
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        <path d="M2,58 C14,45 14,15 2,2"></path>
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    </svg>
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    <svg width="14px" height="60px" class="line line-3">
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        <path d="M2,58 C14,45 14,15 2,2"></path>
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    </svg>
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    <svg width="14px" height="60px" class="line line-4">
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        <path d="M12,58 C0,45 0,15 12,2"></path>
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    </svg>
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    <svg width="14px" height="60px" class="line line-5">
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        <path d="M12,58 C0,45 0,15 12,2"></path>
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    </svg>
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    <svg width="14px" height="60px" class="line line-6">
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        <path d="M12,58 C0,45 0,15 12,2"></path>
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    </svg>
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    <svg width="50px" height="54px" viewBox="0 0 50 54" class="bell">
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        <path
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            d="M1.13063517,45.0453694 C1.88439195,45.7991262 2.80138269,46.1760046 3.82399539,46.1760046 L17.2955975,46.1760046 C17.2955975,48.331653 18.0493543,50.110423 19.5592683,51.6179365 C21.0667819,53.1254501 22.8983629,53.8816074 25.0012002,53.8816074 C27.1544481,53.8816074 28.9332181,53.1254501 30.4431322,51.6179365 C31.9506457,50.110423 32.7044025,48.331653 32.7044025,46.1760046 L46.1760046,46.1760046 C47.1986173,46.1760046 48.115608,45.7991262 48.8693648,45.0453694 C49.6231216,44.2892122 50,43.3746219 50,42.3496087 C46.1760046,39.1185367 43.3194104,35.1313073 41.379807,30.3879207 C39.4402036,25.6469346 38.4704018,20.6370925 38.4704018,15.408805 C38.4704018,12.0697105 37.5006001,9.48197225 35.6138077,7.54236881 C33.6742042,5.54995439 31.033655,4.41931922 27.6945605,3.98722934 C27.8553939,3.66316194 27.9106054,3.28628355 27.9106054,2.90940516 C27.9106054,2.10043689 27.639349,1.40189159 27.0488262,0.86177925 C26.5087138,0.268855922 25.807768,0 25.0012002,0 C24.192232,0 23.5464977,0.268855922 23.0063853,0.86177925 C22.413462,1.40189159 22.1446061,2.10043689 22.1446061,2.90940516 C22.1446061,3.28628355 22.1974171,3.66316194 22.360651,3.98722934 C19.019156,4.41931922 16.3786068,5.54995439 14.4390033,7.54236881 C12.4993999,9.48197225 11.5295982,12.0697105 11.5295982,15.408805 C11.5295982,20.6370925 10.5597964,25.6469346 8.620193,30.3879207 C6.68058956,35.1313073 3.82399539,39.1185367 0,42.3496087 C0,43.3746219 0.376878391,44.2892122 1.13063517,45.0453694 L1.13063517,45.0453694 Z M20.2050026,45.6911037 C20.52907,45.6911037 20.6899035,45.8519372 20.6899035,46.1760046 C20.6899035,47.3618513 21.1195929,48.384464 21.9837726,49.1934322 C22.7903404,50.0552115 23.8153536,50.4873014 25.0012002,50.4873014 C25.3228672,50.4873014 25.4861011,50.6481348 25.4861011,50.9722022 C25.4861011,51.2938691 25.3228672,51.4571031 25.0012002,51.4571031 C23.5464977,51.4571031 22.3054395,50.9169907 21.2828268,49.894378 C20.2578136,48.8693648 19.7201018,47.6307072 19.7201018,46.1760046 C19.7201018,45.8519372 19.8809352,45.6911037 20.2050026,45.6911037 L20.2050026,45.6911037 Z"
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        ></path>
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    </svg>
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</div>

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.frame {
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    width: 400px;
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    height: 400px;
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    position: relative;
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    box-shadow: 1px 2px 10px 0 rgba(0, 0, 0, 0.3);
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    overflow: hidden;
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    background: #dd3c54;
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    border-radius: 2px;
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}
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.bell {
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    position: absolute;
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    top: 173px;
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    left: 175px;
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    fill: #fff;
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    transform-origin: 50% 0%;
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    animation: shake 2.5s ease infinite;
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}
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.line {
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    fill: none;
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    stroke: #fff;
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    stroke-width: 2px;
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    stroke-linecap: round;
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}
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.line-1,
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.line-2,
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.line-3 {
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    position: absolute;
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    top: 170px;
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    left: 230px;
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}
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.line-4,
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.line-5,
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.line-6 {
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    position: absolute;
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    top: 170px;
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    right: 230px;
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}
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.line-1 {
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    animation: line-1 2.5s ease-out infinite both;
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}
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.line-2 {
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    animation: line-2 2.5s ease-out infinite both;
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}
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.line-3 {
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    animation: line-3 2.5s ease-out infinite both;
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}
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.line-4 {
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    animation: line-4 2.5s ease-out infinite both;
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}
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.line-5 {
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    animation: line-5 2.5s ease-out infinite both;
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}
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.line-6 {
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    animation: line-6 2.5s ease-out infinite both;
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}
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@keyframes shake {
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    0%,
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    50%,
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    100% {
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        transform: rotate(0deg);
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    }
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    5%,
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    10%,
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    15%,
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    20%,
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    25%,
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    30%,
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    35%,
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    40% {
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        transform: rotate(6deg);
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    }
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    45% {
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        transform: rotate(4deg);
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    }
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    7.5%,
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    12.5%,
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    17.5%,
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    22.5%,
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    27.5%,
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    32.5%,
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    37.5%,
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    42.5% {
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        transform: rotate(-6deg);
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    }
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    47.5% {
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        transform: rotate(-2deg);
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    }
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}
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@keyframes line-1 {
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    0% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    50%,
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    100% {
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        transform: translate3d(60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}
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@keyframes line-2 {
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    0%,
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    19% {
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        opacity: 0;
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    }
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    20% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    70%,
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    100% {
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        transform: translate3d(60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}
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@keyframes line-3 {
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    0%,
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    39% {
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        opacity: 0;
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    }
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    40% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    90%,
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    100% {
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        transform: translate3d(60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}
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@keyframes line-4 {
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    0% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    50%,
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    100% {
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        transform: translate3d(-60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}
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@keyframes line-5 {
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    0%,
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    19% {
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        opacity: 0;
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    }
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    20% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    70%,
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    100% {
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        transform: translate3d(-60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}
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@keyframes line-6 {
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    0%,
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    39% {
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        opacity: 0;
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    }
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    40% {
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        transform: translate3d(0, 0, 0) scale(1);
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        opacity: 1;
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    }
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    90%,
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    100% {
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        transform: translate3d(-60px, 0, 0) scale(2);
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        opacity: 0;
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    }
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}