html, body {
    margin: 0;
    height: 100%;
    margin: 0px;

    background-color: #000;
}

@keyframes pulse {
  0%, 75%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}


#cf-splash {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    position: absolute;
    animation: pulse 2.5s linear infinite;
}

#core-heartbeat-warning, #core-heartbeat-success {
    top: 0;
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    background-color: #F44336;
    line-height: 30px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    height: 64px;
    padding: 1em;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    overflow: hidden;
    transition-property: all;
    transition-duration: .5s;
    transition-timing-function: cubic-bezier(0, 1, 0.5, 1);
}

#core-heartbeat-success {
    background-color: #4CAF50;
}

#core-heartbeat-success.is-visible {
    padding: 1em;
}

#core-heartbeat-success.not-visible {
    height: 0;
    padding: 0;
}

.heartbeat-loader {
    width: 50px;
    height: 30px;
    text-align: center;
    font-size: 10px;
    display: inline-block;
    vertical-align: top;
}

.heartbeat-loader > div {
    background-color: #fff;
    height: 100%;
    width: 4px;
    margin-left: 2px;
    display: inline-block;
    -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
}

.heartbeat-loader .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.heartbeat-loader .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.heartbeat-loader .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.heartbeat-loader .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

@-webkit-keyframes sk-stretchdelay {
    0%, 40%, 100% {
        -webkit-transform: scaleY(0.4);
    }

    20% {
        -webkit-transform: scaleY(1);
    }
}

@keyframes sk-stretchdelay {
    0%, 40%, 100% {
        transform: scaleY(0.4);
        -webkit-transform: scaleY(0.4);
    }

    20% {
        transform: scaleY(1);
        -webkit-transform: scaleY(1);
    }
}

.boot-error-container {
    position: relative;
    height: 100%;
    width: 100%;
    font-family: Arial, Helvetica, sans-serif;
}
.boot-error-container .boot-error-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70vw;
    -webkit-box-shadow: 0 3px 7px rgba(0, 0, 0, 0.3);
    -moz-box-shadow: 0 3px 7px rgba(0, 0, 0, 0.3);
    box-shadow: 0 3px 7px rgba(0, 0, 0, 0.3);
    -webkit-background-clip: padding-box;
    -moz-background-clip: padding-box;
    background-clip: padding-box;
    background-color: white;
    border-radius: 2px;
}
.boot-error-container .boot-error-message .title {
    background-color: #E57373;
    text-align: center;
    border-radius: 2px 2px 0 0;
    padding: 0.4em;
    color: white;
    font-size: 1.2em;
}
.boot-error-container .boot-error-message .body {
    background-color: #FAFAFA;
    border-radius: 0 0 2px 2px;
    padding: 1.3em;
    text-align: center;
}

.boot-error-container .boot-error-message .body .additional-info {
    padding-top: 3em;
    font-size: 0.7em;
    color: #999999;
    text-align: left;
}