.circonf-wrapper {
    text-align: center;
}
.circonf {
    margin: 1em;
    display: inline-block;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid silver;
    animation: circ-anim 0.7s linear infinite;
}
.circonf-1 {
    border-bottom-color: grey;
}
.circonf-2 {
    border-color: grey;
    border-bottom-color: transparent;
}
.circonf-3 {
    border-color: grey;
    border-bottom-color: transparent;
    border-left-color: transparent;
}
.circonf-4 {
    border: 3px solid grey;
    position: relative;
}
.circonf-4:after {
    position: absolute;
    content: "";
    width: 80%;
    height: 80%;
    background: transparent;
    top: 50%;
    left: 50;
    margin-left: -40%;
    margin-top: -40%;
    border-radius: 50%;
    border: 2px solid grey;
    box-sizing: border-box;
    border-bottom-color: transparent;
    border-left-color: transparent;
}
.circonf-5 {
    border: 3px solid grey;
    position: relative;
    border-bottom-color: transparent;
    border-left-color: transparent;
}
.circonf-5:after {
    position: absolute;
    content: "";
    width: 80%;
    height: 80%;
    background: transparent;
    top: 50%;
    left: 50;
    margin-left: -40%;
    margin-top: -40%;
    border-radius: 50%;
    border: 2px solid grey;
    box-sizing: border-box;
    border-bottom-color: transparent;
    border-left-color: transparent;
    animation: circ-anim 0.35s reverse linear infinite;
}
.circonf-6 {
    border-width: 0px;
    border-radius: 50%;
    border-top: 3px solid grey;
    border-right: 3px solid transparent;
}
@keyframes circ-anim {
    from {
        transform: rotate(0);
    }
    to {
        transform: rotate(360deg);
    }
}
.loading-1 .circle {
    stroke: #000066;
    fill: none;
    stroke-width: 3px;
    stroke-dashoffset: -3.14159em;
    stroke-dasharray: 3.14159em;
    animation: loading1 1.4s cubic-bezier(0.42, 0, 0.29, 1) infinite;
    transform: rotate(-90deg);
    transform-origin: 50%;
    position: relative;
}
@keyframes loading1 {
    0% {
        stroke-dashoffset: 3.14159em;
    }
    50% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -3.14159em;
    }
}
.loading-2 .spinner * {
    box-sizing: border-box;
}
.loading-2 .spinner {
    display: inline-block;
    animation-name: anim-spinner;
    animation-duration: 0.7s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
}
.loading-2 .spinner .circle {
    width: 2em;
    height: 1em;
    overflow: hidden;
}
.loading-2 .spinner .circle-inner {
    transform: rotate(45deg);
    border-radius: 50%;
    border: 0.25em solid black;
    border-right: 0.25em solid transparent;
    border-bottom: 0.25em solid transparent;
    width: 100%;
    height: 200%;
    animation-name: anim-circle-1;
    animation-duration: 0.7s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-timing-function: cubic-bezier(0.25, 0.1, 0.5, 1);
}
.loading-2 .spinner .circle-2 {
    transform: rotate(180deg);
}
.loading-2 .spinner .circle-2 .circle-inner {
    animation-name: anim-circle-2;
}
@keyframes anim-circle-1 {
    from {
        transform: rotate(60deg);
    }
    to {
        transform: rotate(205deg);
    }
}
@keyframes anim-circle-2 {
    from {
        transform: rotate(30deg);
    }
    to {
        transform: rotate(-115deg);
    }
}
@keyframes anim-spinner {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.loading-3 .loading {
    background: transparent;
    width: 2em;
    height: 2em;
    position: relative;
    margin: 0 auto;
}
.loading-3 .loading:after {
    display: block;
    content: "";
    border-radius: 50%;
    height: 2px;
    width: 2px;
    position: absolute;
    margin: auto;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    box-shadow: 10px 0 0 2px #333, 7px 7px 0 2px #999, 0 10px 0 2px #999, -7px 7px 0 2px #999, -10px 0 0 2px #999, -7px -7px 0 2px #999, 0 -10px 0 2px #333, 7px -7px 0 2px #111;
    -webkit-animation: rotate 0.7s steps(8) infinite;
    -o-animation: rotate 0.7s steps(8) infinite;
    animation: rotate 0.7s steps(8) infinite;
}
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.loading-4 .loading {
    width: 0.5em;
    height: 0.5em;
    background: transparent;
    margin: 2em;
    border-radius: 50%;
    animation: circ-anim .9s linear infinite;
    box-shadow: 0.6em 0 0 0 #333, -0.33333em -0.5em 0 0 #333, -0.33333em 0.5em 0 0 #333;
}
.loading-5 .svg-wrapper {
    background: white;
    width: 1.5em;
    height: 1.5em;
    margin: 0 Auto;
    padding: 5px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 2px 2px rgba(0, 0, 0, 0.1);
}
.loading-5 .circle {
    stroke: #000066;
    fill: none;
    stroke-width: 3px;
    stroke-dashoffset: -2.35619em;
    stroke-dasharray: 2.35619em;
    animation: loading5 1.4s linear infinite, color1 10s linear infinite;
    transform: rotate(-90deg);
    transform-origin: 50%;
    position: relative;
}
@keyframes loading5 {
    0% {
        transform: rotate(-90deg);
        stroke-dashoffset: 2.35619em;
    }
    50% {
        stroke-dashoffset: 0;
    }
    100% {
        transform: rotate(270deg);
        stroke-dashoffset: -2.35619em;
    }
}
@keyframes color1 {
    0% {
        stroke: #f08237;
    }
    10% {
        stroke: #FC6E51;
    }
    20% {
        stroke: #FFCE54;
    }
    30% {
        stroke: #A0D468;
    }
    40% {
        stroke: #A0CECB;
    }
    50% {
        stroke: #4FC1E9;
    }
    60% {
        stroke: #8067B7;
    }
    70% {
        stroke: #BAA286;
    }
    80% {
        stroke: #CCD1D9;
    }
    90% {
        stroke: #2ECC71;
    }
    100% {
        stroke: #f08237;
    }
}