1 | .placeholder {
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2 | display: inline-block;
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3 | min-height: 1em;
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4 | vertical-align: middle;
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5 | cursor: wait;
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6 | background-color: currentColor;
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7 | opacity: $placeholder-opacity-max;
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8 |
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9 | &.btn::before {
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10 | display: inline-block;
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11 | content: "";
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12 | }
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13 | }
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14 |
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15 |
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16 | .placeholder-xs {
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17 | min-height: .6em;
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18 | }
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19 |
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20 | .placeholder-sm {
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21 | min-height: .8em;
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22 | }
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23 |
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24 | .placeholder-lg {
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25 | min-height: 1.2em;
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26 | }
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27 |
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28 |
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29 | .placeholder-glow {
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30 | .placeholder {
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31 | animation: placeholder-glow 2s ease-in-out infinite;
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32 | }
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33 | }
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34 |
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35 | @keyframes placeholder-glow {
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36 | 50% {
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37 | opacity: $placeholder-opacity-min;
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38 | }
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39 | }
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40 |
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41 | .placeholder-wave {
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42 | mask-image: linear-gradient(130deg, $black 55%, rgba(0, 0, 0, (1 - $placeholder-opacity-min)) 75%, $black 95%);
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43 | mask-size: 200% 100%;
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44 | animation: placeholder-wave 2s linear infinite;
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45 | }
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46 |
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47 | @keyframes placeholder-wave {
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48 | 100% {
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49 | mask-position: -200% 0%;
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50 | }
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51 | }
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