SOURCE

<!-- 1 -->
<div class="loader-line-bounce">
    <span></span>
    <span></span>
    <span></span>
    <span></span>
    <span></span>
</div>

<!-- 2 -->
<div class="loading-pulse-w">
    <div class="loading-pulse"></div>
</div>

<!-- 3 -->
<div class="loading-circle-w">
    <div class="loading-circle"></div>
</div>

<!-- 4 -->
<div class="loader-circle-line-w">
    <div class="loader-circle-line">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
    </div>
</div>

<!-- 5 -->
<div class="loader-circle-opac-w">
    <div class="loader-circle-opac">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
    </div>
</div>

<!-- 6 -->
<div class="loading-circle2-w">
    <div class="loading-circle2"></div>
</div>

<!-- 7 -->
<div class="loader-ripple-w">
    <div class="loader-ripple"></div>
    <div class="loader-ripple loader-ripple2"></div>
</div>

body {
    background: #eee;
}
/* 1 ************************************************ */
/* loader-line-bounce */
.loader-line-bounce {
    width: 70px;
    height: 70px;
    font-size: 0;
    text-align: center;
    position: fixed;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 10px;
    margin: auto;
}
.loader-line-bounce span {
    width: 4px;
    height: 28px;
    background: #1abc9c;
    border-radius: 50px;
    display: inline-block;
    margin-right: 7px;
    -webkit-animation: line-bounce 1s ease infinite;
    animation: line-bounce 1s ease infinite;
}
.loader-line-bounce span:nth-child(1) {
    -webkit-animation-delay: -.65s;
    animation-delay: -.65s;
}
.loader-line-bounce span:nth-child(2) {
    -webkit-animation-delay: -.78s;
    animation-delay: -.78s;
}
.loader-line-bounce span:nth-child(3) {
    -webkit-animation-delay: -.91s;
    animation-delay: -.91s;
}
.loader-line-bounce span:nth-child(4) {
    -webkit-animation-delay: -.78s;
    animation-delay: -78s;
}
.loader-line-bounce span:nth-child(5) {
    -webkit-animation-delay: -.65s;
    animation-delay: -.65s;
    margin-right: 0;
}
@keyframes line-bounce {
    0% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
    50% {
        -webkit-transform: scaleY(.2);
        transform: scaleY(.2);
    }
    100% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
}
@-webkit-keyframes line-bounce {
    0% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
    50% {
        -webkit-transform: scaleY(.2);
        transform: scaleY(.2);
    }
    100% {
        -webkit-transform: scaleY(1);
        transform: scaleY(1);
    }
}

/** 2 ******************************************************/

/* loading-pulse */
.loading-pulse-w {
    position: fixed;
    width: 60px;
    height: 60px;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 70px;
    z-index: 10;
    margin: auto;
}
.loading-pulse {
    width: 6px;
    height: 24px;
    background: rgba(255,255,255,0.2);
    position: relative;
    left: 26px;
    -webkit-animation: pulse .75s .25s infinite;
    animation: pulse .75s .25s infinite;
}
.loading-pulse:before,
.loading-pulse:after {
    content: '';
    display: block;
    position: absolute;
    height: 16px;
    width: 6px;
    background: rgba(255,255,255,0.2);
    top: 5px;
    -webkit-animation: pulse .75s infinite;
    animation: pulse .75s infinite;
}
.loading-pulse:before {
    left: -12px;
}
.loading-pulse:after {
    left: 12px;
    -webkit-animation-delay: 500ms;
    animation-delay: 500ms;
}
@-webkit-keyframes pulse {
    50% {
        background: #fff;
    }
}
@keyframes pulse {
    50% {
        background: #fff;
    }
}

/**** 3 *******************************************************/

/* loading-circle */
.loading-circle-w {
    position: fixed;
    width: 60px;
    height: 60px;
    text-align: center;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 110px;
    z-index: 10;
    margin: auto;
}
.loading-circle {
    display: inline-block;
    width: 30px;
    height: 30px;
    box-sizing: border-box;
    border-radius: 55%;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    -webkit-animation: spin 1s linear infinite;
    animation: spin 1s linear infinite;
}
@-webkit-keyframes spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spin {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

/**** 4 ********************************************************/

/* loader-circle-line */
.loader-circle-line-w {
    position: fixed;
    width: 60px;
    height: 60px;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 150px;
    z-index: 10;
    margin: auto;
}
.loader-circle-line {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    position: relative;
    -webkit-animation: circle-line 1.5s linear infinite;
    animation: circle-line 1.5s linear infinite;
}
.loader-circle-line span {
    display: block;
    width: 12px;
    height: 4px;
    border-radius: 4px 0 0 4px;
    background: #1abc9c;
    transform-origin: 165% 50%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    z-index: 2;
}
.loader-circle-line span:nth-child(1) {
    -webkit-transform: rotate(0);
    transform: rotate(0);
}
.loader-circle-line span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.loader-circle-line span:nth-child(3) {
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
}
.loader-circle-line span:nth-child(4) {
    -webkit-transform: rotate(135deg);
    transform: rotate(135deg);
}
.loader-circle-line span:nth-child(5) {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
}
.loader-circle-line span:nth-child(6) {
    -webkit-transform: rotate(225deg);
    transform: rotate(225deg);
}
.loader-circle-line span:nth-child(7) {
    -webkit-transform: rotate(270deg);
    transform: rotate(270deg);
}
.loader-circle-line span:nth-child(8) {
    -webkit-transform: rotate(315deg);
    transform: rotate(315deg);
}
@keyframes circle-line {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@-webkit-keyframes circle-line {
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

/***** 5 ****************************************************/

/* loader-circle-opac */
.loader-circle-opac-w {
    position: fixed;
    width: 60px;
    height: 60px;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 200px;
    z-index: 10;
    margin: auto;
}
.loader-circle-opac {
    width: 40px;
    height: 40px;
    margin: 0 auto;
    position: relative;
}
.loader-circle-opac span {
    display: block;
    width: 12px;
    height: 4px;
    border-radius: 4px 0 0 4px;
    background: #1abc9c;
    transform-origin: 165% 50%;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    margin: auto;
    z-index: 2;
    -webkit-animation: circle-opac 1s linear infinite;
    animation: circle-opac 1s linear infinite;
}
.loader-circle-opac span:nth-child(1) {
    -webkit-transform: rotate(0);
    transform: rotate(0);
    animation-delay: .04s;
}
.loader-circle-opac span:nth-child(2) {
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    animation-delay: .19s;
}
.loader-circle-opac span:nth-child(3) {
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
    animation-delay: .34s;
}
.loader-circle-opac span:nth-child(4) {
    -webkit-transform: rotate(135deg);
    transform: rotate(135deg);
    animation-delay: .49s;
}
.loader-circle-opac span:nth-child(5) {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
    animation-delay: .54s;
}
.loader-circle-opac span:nth-child(6) {
    -webkit-transform: rotate(225deg);
    transform: rotate(225deg);
    animation-delay: .69s;
}
.loader-circle-opac span:nth-child(7) {
    -webkit-transform: rotate(270deg);
    transform: rotate(270deg);
    animation-delay: .84s;
}
.loader-circle-opac span:nth-child(8) {
    -webkit-transform: rotate(315deg);
    transform: rotate(315deg);
    animation-delay: .99s;
}
@keyframes circle-opac {
    0% {
        opacity: .1;
    }
    100% {
        opacity: .9;
    }
}

/* 6 **************************************************** */

/* loading-circle2 */
.loading-circle2-w {
    position: fixed;
    width: 60px;
    height: 60px;
    text-align: center;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 250px;
    z-index: 10;
    margin: auto;
}
.loading-circle2 {
    width: 34px;
    height: 34px;
    display: inline-block;
    box-sizing: border-box;
    border-radius: 55%;
    border: 1px solid #dadbdc;
    border-top-color: #0c9;
    -webkit-animation: spin2 1s infinite;
    animation: spin2 1s infinite;
}
@-webkit-keyframes spin2 {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spin2 {
    to {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

/* 7 ************************************************** */

.loader-ripple-w {
    width: 100px;
    height: 100px;
    background: #777;
    pointer-events: none;
    position: fixed;
    top: 0;
    /* right: 0; */
    bottom: 0;
    left: 310px;
    z-index: 214748;
    margin: auto;
}
.loader-ripple {
    width: 100px;
    height: 100px;
    border-radius: 55%;
    background-color: #fff;
    opacity: .4;
    margin: auto;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: scale(0);
    -webkit-animation: ripple 1.5s ease-out infinite;
    animation: ripple 1.5s ease-out infinite;
}
.loader-ripple2 {
    -webkit-animation-delay: -.35s;
    animation-delay: -.35s;
}
@-webkit-keyframes ripple {
    to {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 0;
    }
}
@keyframes ripple {
    to {
        -webkit-transform: scale(1);
        transform: scale(1);
        opacity: 0;
    }
}