svg-css/bars-scale-middle.svg

<svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><style>.spinner_7uc5{animation:spinner_3l8F .9s linear infinite;animation-delay:-.9s}.spinner_RibN{animation-delay:-.7s}.spinner_ZAxd{animation-delay:-.5s}@keyframes spinner_3l8F{0%,66.66%{animation-timing-function:cubic-bezier(0.14,.73,.34,1);y:6px;height:12px}33.33%{animation-timing-function:cubic-bezier(0.65,.26,.82,.45);y:1px;height:22px}}</style><rect class="spinner_7uc5 spinner_ZAxd" x="1" y="6" width="2.8" height="12"/><rect class="spinner_7uc5 spinner_RibN" x="5.8" y="6" width="2.8" height="12"/><rect class="spinner_7uc5" x="10.6" y="6" width="2.8" height="12"/><rect class="spinner_7uc5 spinner_RibN" x="15.4" y="6" width="2.8" height="12"/><rect class="spinner_7uc5 spinner_ZAxd" x="20.2" y="6" width="2.8" height="12"/></svg>