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<> .app-loading { display: flex; width: 100%; height: 100%; justify-content: center; align-items: center; flex-direction: column; background: #f0f2f5; } .app-loading .app-loading-wrap { position: absolute; top: 50%; left: 50%; display: flex; transform: translate3d(-50%-50%0); justify-content: center; align-items: center; flex-direction: column; } .app-loading .app-loading-title { margin-bottom: 30px; font-size: 20px; font-weight: bold; text-align: center; } .app-loading .app-loading-logo { width: 100px; margin: 0 auto 15px auto; } .app-loading .app-loading-item { position: relative; display: inline-block; width: 60px; height: 60px; vertical-align: middle; border-radius: 50%; } .app-loading .app-loading-outter { position: absolute; width: 100%; height: 100%; border: 4px solid #2d8cf0; border-bottom: 0; border-left-color: transparent; border-radius: 50%; animation: loader-outter 1s cubic-bezier(0.420.610.580.41) infinite; } .app-loading .app-loading-inner { position: absolute; top: calc(50% - 20px); left: calc(50% - 20px); width: 40px; height: 40px; border: 4px solid #87bdff; border-right: 0; border-top-color: transparent; border-radius: 50%; animation: loader-inner 1s cubic-bezier(0.420.610.580.41) infinite; } @keyframes loader-outter { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } @keyframes loader-inner { 0% { transform: rotate(0deg); } 100% { transform: rotate(-360deg); } }