.request-loading {
    height: 30px;
    margin-top: 15px;
    margin-bottom: 15px;
    width: 150px;
    position: relative;
    /* top: 50%; */
    left: 50%;
    -webkit-transform: translateY(-50%) translateX(-50%);
    -moz-transform: translateY(-50%) translateX(-50%);
    -o-transform: translateY(-50%) translateX(-50%);
    transform: translateY(-50%) translateX(-50%);
}

.request-loading .binding {
    content: '';
    width: 30px;
    height: 4px;
    border: 2px solid #00A7D4;
    margin: 0 auto;
}

.request-loading .pad {
    width: 30px;
    height: 30px;
    border: 2px solid #00A7D4;
    border-top: 0;
    padding: 6px;
    margin: 0 auto;
}

.request-loading .line {
  width : 15px;
  margin-top : 4px;
  border-top : 2px solid #00A7D4;
  opacity : 0;
  -webkit-animation : writeline 3s infinite ease-in;
  -moz-animation : writeline 3s infinite ease-in;
  -o-animation : writeline 3s infinite ease-in;
  animation : writeline 3s infinite ease-in;
}

.request-loading .line:first-child {
  margin-top : 0;
}

.request-loading .line.line1 {
  -webkit-animation-delay: 0s;
  -moz-animation-delay: 0s;
  -o-animation-delay: 0s;
  animation-delay: 0s;
}

.request-loading .line.line2 {
  -webkit-animation-delay: 0.5s;
  -moz-animation-delay: 0.5s;
  -o-animation-delay: 0.5s;
  animation-delay: 0.5s;
}

.request-loading .line.line3 {
  -webkit-animation-delay: 1s;
  -moz-animation-delay: 1s;
  -o-animation-delay: 1s;
  animation-delay : 1s;
}

.request-loading .text {
  text-align : center;
  margin-top : 10px;
  font-size : 14px;
  color : #00A7D4;
}

@-webkit-keyframes writeline {
  0% { width : 0px; opacity: 0; }
  33% { width : 15px; opacity : 1; }
  70% { opacity : 1; }
  100% {opacity : 0; }
}

@-moz-keyframes writeline {
  0% { width : 0px; opacity: 0; }
  33% { width : 15px; opacity : 1; }
  70% { opacity : 1; }
  100% {opacity : 0; }
}

@-o-keyframes writeline {
  0% { width : 0px; opacity: 0; }
  33% { width : 15px; opacity : 1; }
  70% { opacity : 1; }
  100% {opacity : 0; }
}

@keyframes writeline {
  0% { width : 0px; opacity: 0; }
  33% { width : 15px; opacity : 1; }
  70% { opacity : 1; }
  100% {opacity : 0; }
}