#spinner {
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    position: fixed;
    top: 0;
    left: 0;
    opacity: 1;
}


.pulse {
    height: 100px;
    width: 200px;
    overflow: hidden;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}

    .pulse:after {
        content: '';
        display: block;
        background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 200px 100px" enable-background="new 0 0 200px 100px" xml:space="preserve"><polyline fill="none" stroke-width="3px" stroke="white" points="2.4,58.7 70.8,58.7 76.1,46.2 81.1,58.7 89.9,58.7 93.8,66.5 102.8,22.7 110.6,78.7 115.3,58.7 126.4,58.7 134.4,54.7 142.4,58.7 197.8,58.7 "/></svg>') 0 0 no-repeat;
        width: 100%;
        height: 100%;
        position: absolute;
        -webkit-animation: 2s pulse linear infinite;
        -moz-animation: 2s pulse linear infinite;
        -o-animation: 2s pulse linear infinite;
        animation: 2s pulse linear infinite;
        clip: rect(0, 0, 100px, 0);
    }

    .pulse:before {
        content: '';
        position: absolute;
        z-index: -1;
        left: 2px;
        right: 2px;
        bottom: 0;
        top: 16px;
        margin: auto;
        height: 3px;
    }


@-webkit-keyframes pulse {
    0% {
        clip: rect(0, 0, 100px, 0);
        opacity: 0.4;
    }

    4% {
        clip: rect(0, 66.66667px, 100px, 0);
        opacity: 0.6;
    }

    15% {
        clip: rect(0, 133.33333px, 100px, 0);
        opacity: 0.8;
    }

    20% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 1;
    }

    80% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 0;
    }

    90% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 0;
    }

    100% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 0;
    }
}

@keyframes pulse {
    0% {
        clip: rect(0, 0, 100px, 0);
    }

    4% {
        clip: rect(0, 66.66667px, 100px, 0);
    }

    15% {
        clip: rect(0, 133.33333px, 100px, 0);
    }

    20% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 1;
    }

    80% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 0;
    }

    90% {
        opacity: 0;
    }

    100% {
        clip: rect(0, 300px, 100px, 0);
        opacity: 0;
    }
}

.loading_welcomec {
  border: 7px solid rgba(0,0,0, 0.1);
  border-radius: 50%;
  border-top: 7px solid #3498db;
  /*border-right: 12px solid #35d278;*/
  /*border-bottom: 12px solid #f1c40f;
  border-left: 12px solid #e74c3c;*/
  width: 80px;
  height: 80px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
  position: absolute;
    top: 0;
    bottom: 0;
    left: 15%;
    right: 0;
    margin: auto;
}