.loader {
    position: relative;
    margin: 10px auto;
    width: 50px;
}
.loader:before {
    content: '';
    display: block;
    padding-top: 100%;
}
.circular {
    -webkit-animation: rotate 2s linear infinite;
    animation: rotate 2s linear infinite;
    height: 100%;
    -webkit-transform-origin: center center;
    transform-origin: center center;
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.path {
    stroke-dasharray: 1,200;
    stroke-dashoffset: 0;
    -webkit-animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
    animation: dash 1.5s ease-in-out infinite, color 6s ease-in-out infinite;
    stroke-linecap: round;
}

@-webkit-keyframes rotate {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes rotate {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@-webkit-keyframes dash {
    0% {
        stroke-dasharray: 1,200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -35px;
    }
    100% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -124px;
    }
}
@keyframes dash {
    0% {
        stroke-dasharray: 1,200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -35px;
    }
    100% {
        stroke-dasharray: 89,200;
        stroke-dashoffset: -124px;
    }
}
@-webkit-keyframes color {
    100%, 0% {
        stroke: #333;
    }
    40% {
        stroke: #333;
    }
    66% {
        stroke: #333;
    }
    80%, 90% {
        stroke: #333;
    }
}
@keyframes color {
    100%, 0% {
        stroke: #333;
    }
    40% {
        stroke: #333;
    }
    66% {
        stroke: #333;
    }
    80%, 90% {
        stroke: #333;
    }
}