.splash-screen {
    position: fixed;
    background: #fff;
    width: 100%;
    height: 100%;
    top: 0;
    z-index: 3000;
    text-align: center; 
}

.splash-container {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.linear-activity {
    overflow: hidden;
    width: 150px;
    height: 4px;
    background-color: #e2e2e2;
    margin: 40px auto;
}

.determinate {
    position: relative;
    max-width: 100%;
    height: 100%;
    -webkit-transition: width 500ms ease-out 1s;
       -moz-transition: width 500ms ease-out 1s;
         -o-transition: width 500ms ease-out 1s;
            transition: width 500ms ease-out 1s;
    background-color: #161616;
}

.indeterminate {
    position: relative;
    width: 100%;
    height: 100%;
}

.indeterminate:before {
    content: '';
    position: absolute;
    height: 100%;
    background-color: #161616;
    animation: indeterminate_first 1.5s infinite ease-out;
}

.indeterminate:after {
    content: '';
    position: absolute;
    height: 100%;
    background-color: #161616;
    animation: indeterminate_second 1.5s infinite ease-in;
}

@keyframes indeterminate_first {
    0% {
        left: -100%;
        width: 100%;
    }
    100% {
        left: 100%;
        width: 10%;
    }
}


.loader {
    width: 44px;
    height: 44px;
    border: 4px solid rgba(255,255,255,0.5);
    border-top-color: #1B8354;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-sizing: border-box;
  }

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}