.loader {
    bottom: 0;
    left: 0;
    overflow: hidden;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 999;
}

.loader-inner {
    bottom: 0;
    height: 60px;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
}

.loader-line-wrap {
    -webkit-animation: spin 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite;
            animation: spin 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: 50px;
    left: 0;
    overflow: hidden;
    position: absolute;
    top: 0;
    -webkit-transform-origin: 50% 100%;
            transform-origin: 50% 100%;
    width: 100px;
}

.loader-line {
    border: 4px solid transparent;
    border-radius: 100%;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    height: 100px;
    left: 0;
    margin: 0 auto;
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
}

.loader-line-wrap:nth-child(1) {
    -webkit-animation-delay: -50ms;
            animation-delay: -50ms;
}

.loader-line-wrap:nth-child(2) {
    -webkit-animation-delay: -100ms;
            animation-delay: -100ms;
}

.loader-line-wrap:nth-child(3) {
    -webkit-animation-delay: -150ms;
            animation-delay: -150ms;
}

.loader-line-wrap:nth-child(4) {
    -webkit-animation-delay: -200ms;
            animation-delay: -200ms;
}

.loader-line-wrap:nth-child(5) {
    -webkit-animation-delay: -250ms;
            animation-delay: -250ms;
}

.loader-line-wrap:nth-child(1) .loader-line {
    border-color: hsl(0, 80%, 60%);
    height: 90px;
    width: 90px;
    top: 7px;
}

.loader-line-wrap:nth-child(2) .loader-line {
    border-color: hsl(60, 80%, 60%);
    height: 76px;
    width: 76px;
    top: 14px;
}

.loader-line-wrap:nth-child(3) .loader-line {
    border-color: hsl(120, 80%, 60%);
    height: 62px;
    width: 62px;
    top: 21px;
}

.loader-line-wrap:nth-child(4) .loader-line {
    border-color: hsl(180, 80%, 60%);
    height: 48px;
    width: 48px;
    top: 28px;
}

.loader-line-wrap:nth-child(5) .loader-line {
    border-color: hsl(240, 80%, 60%);
    height: 34px;
    width: 34px;
    top: 35px;
}

@-webkit-keyframes spin {
    0%,
    15% {
        -webkit-transform: rotate(0);
                transform: rotate(0);
    }
    100% {
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
    }
}

@keyframes spin {
    0%,
    15% {
        -webkit-transform: rotate(0);
                transform: rotate(0);
    }
    100% {
        -webkit-transform: rotate(360deg);
                transform: rotate(360deg);
    }
}

.hide {
    display: none;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    background: #000;
    background: radial-gradient(#222, #000);
}

.con {
    margin: 100px auto;
    width: 900px;
    text-align: center;
}
.con-left, .con-right{
    width: 450px;
    height: 100px;
    float: left;
}
input {
    font-size: 15px;
    line-height: 30px;
    color: #fff;
    position: relative;
    z-index: 9999;
    cursor: pointer;
    outline-style: none;
}

input:hover {
    color: #ccc;
}

a {
    display: inline-block;
    height: 40px;
    line-height: 40px;
    color: #fff;
    padding: 0 20px;
    border: solid 1px #fff;
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    z-index: 99999;
    -webkit-animation: tada 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite;
            animation: tada 2000ms cubic-bezier(.175, .885, .32, 1.275) infinite;
}

a:hover {
    color: #ccc;
    border-color: #ccc;
    -webkit-animation: none;
            animation: none;
}

@-webkit-keyframes tada {
  from {
    -webkit-transform: scale3d(1, 1, 1);
            transform: scale3d(1, 1, 1);
  }

  10%, 20% {
    -webkit-transform: scale3d(.9, .9, .9) rotate3d(0, 0, 1, -3deg);
            transform: scale3d(.9, .9, .9) rotate3d(0, 0, 1, -3deg);
  }

  30%, 50%, 70%, 90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
            transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
  }

  40%, 60%, 80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
            transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
            transform: scale3d(1, 1, 1);
  }
}

@keyframes tada {
  from {
    -webkit-transform: scale3d(1, 1, 1);
            transform: scale3d(1, 1, 1);
  }

  10%, 20% {
    -webkit-transform: scale3d(.9, .9, .9) rotate3d(0, 0, 1, -3deg);
            transform: scale3d(.9, .9, .9) rotate3d(0, 0, 1, -3deg);
  }

  30%, 50%, 70%, 90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
            transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
  }

  40%, 60%, 80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
            transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
            transform: scale3d(1, 1, 1);
  }
}