.demo_header {
    border-top: 4px #7F00FF solid;
    width: 100%;
    border-bottom: 1px solid #f56993;
    margin-bottom: 1%;
}
.demo_header_left {
    float: left;
    margin: 1%;
}
.demo_header_right {
    float: right;
    margin: 1%;
    color: #2D9703;
    font-size: 1em;
    text-transform: uppercase;
}
.demo_header_right a {
    color: #2D9703;
    font-size: 1em;
    text-transform: uppercase;
    text-decoration: none;
}
.demo_header_right a:hover {
    color: #28CA04;
    text-decoration: none;
}
 @import url("https://fonts.googleapis.com/css?family=Arima+Madurai:300");
*, *::before, *::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
h1 {
    font-family: 'Arima Madurai', cursive;
    color: black;
    font-size: 4rem;
    letter-spacing: -3px;
    text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.6);
    position: relative;
    z-index: 3;
}

.bird {
    background-image: url(../img/bird-cells.svg);
    background-size: auto 100%;
    width: 88px;
    height: 125px;
    will-change: background-position;
    -webkit-animation-name: fly-cycle;
    animation-name: fly-cycle;
    -webkit-animation-timing-function: steps(10);
    animation-timing-function: steps(10);
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
}
.bird--one {
    -webkit-animation-duration: 1s;
    animation-duration: 1s;
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}
.bird--two {
    -webkit-animation-duration: 0.9s;
    animation-duration: 0.9s;
    -webkit-animation-delay: -0.75s;
    animation-delay: -0.75s;
}
.bird--three {
    -webkit-animation-duration: 1.25s;
    animation-duration: 1.25s;
    -webkit-animation-delay: -0.25s;
    animation-delay: -0.25s;
}
.bird--four {
    -webkit-animation-duration: 1.1s;
    animation-duration: 1.1s;
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}
.bird-container {
    position: absolute;
    top: 20%;
    left: -7.5vw;
    -webkit-transform: scale(0);
    transform: scale(0);
    will-change: transform;
    -webkit-animation-name: fly-right-one;
    animation-name: fly-right-one;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
}
.bird-container--one {
    -webkit-animation-duration: 15s;
    animation-duration: 15s;
    -webkit-animation-delay: 0;
    animation-delay: 0;
}
.bird-container--two {
    -webkit-animation-duration: 16s;
    animation-duration: 16s;
    -webkit-animation-delay: 1s;
    animation-delay: 1s;
}
.bird-container--three {
    -webkit-animation-duration: 14.6s;
    animation-duration: 14.6s;
    -webkit-animation-delay: 9.5s;
    animation-delay: 9.5s;
}
.bird-container--four {
    -webkit-animation-duration: 16s;
    animation-duration: 16s;
    -webkit-animation-delay: 10.25s;
    animation-delay: 10.25s;
}
 @-webkit-keyframes fly-cycle {
 100% {
 background-position: -900px 0;
}
}
 @keyframes fly-cycle {
 100% {
 background-position: -900px 0;
}
}
@-webkit-keyframes fly-right-one {
 0% {
 left: -10%;
 -webkit-transform: scale(0.3);
 transform: scale(0.3);
}
 10% {
 left: 10%;
 -webkit-transform: translateY(2vh) scale(0.4);
 transform: translateY(2vh) scale(0.4);
}
 20% {
 left: 30%;
 -webkit-transform: translateY(0vh) scale(0.5);
 transform: translateY(0vh) scale(0.5);
}
 30% {
 left: 50%;
 -webkit-transform: translateY(4vh) scale(0.6);
 transform: translateY(4vh) scale(0.6);
}
 40% {
 left: 70%;
 -webkit-transform: translateY(2vh) scale(0.6);
 transform: translateY(2vh) scale(0.6);
}
 50% {
 left: 90%;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
 60% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
 100% {
 left: 110%;
 opacity: 1;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
}
@keyframes fly-right-one {
 0% {
 left: -10%;
 -webkit-transform: scale(0.3);
 transform: scale(0.3);
}
 10% {
 left: 10%;
 -webkit-transform: translateY(2vh) scale(0.4);
 transform: translateY(2vh) scale(0.4);
}
 20% {
 left: 30%;
 -webkit-transform: translateY(0vh) scale(0.5);
 transform: translateY(0vh) scale(0.5);
}
 30% {
 left: 50%;
 -webkit-transform: translateY(4vh) scale(0.6);
 transform: translateY(4vh) scale(0.6);
}
 40% {
 left: 70%;
 -webkit-transform: translateY(2vh) scale(0.6);
 transform: translateY(2vh) scale(0.6);
}
 50% {
 left: 90%;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
 60% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
 100% {
 left: 110%;
 opacity: 1;
 -webkit-transform: translateY(0vh) scale(0.6);
 transform: translateY(0vh) scale(0.6);
}
}
@-webkit-keyframes fly-right-two {
 0% {
 left: -10%;
 opacity: 1;
 -webkit-transform: translateY(-2vh) scale(0.5);
 transform: translateY(-2vh) scale(0.5);
}
 10% {
 left: 10%;
 -webkit-transform: translateY(0vh) scale(0.4);
 transform: translateY(0vh) scale(0.4);
}
 20% {
 left: 30%;
 -webkit-transform: translateY(-4vh) scale(0.6);
 transform: translateY(-4vh) scale(0.6);
}
 30% {
 left: 50%;
 -webkit-transform: translateY(1vh) scale(0.45);
 transform: translateY(1vh) scale(0.45);
}
 40% {
 left: 70%;
 -webkit-transform: translateY(-2.5vh) scale(0.5);
 transform: translateY(-2.5vh) scale(0.5);
}
 50% {
 left: 90%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}
 51% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}
 100% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}
}
@keyframes fly-right-two {
 0% {
 left: -10%;
 opacity: 1;
 -webkit-transform: translateY(-2vh) scale(0.5);
 transform: translateY(-2vh) scale(0.5);
}
 10% {
 left: 10%;
 -webkit-transform: translateY(0vh) scale(0.4);
 transform: translateY(0vh) scale(0.4);
}
 20% {
 left: 30%;
 -webkit-transform: translateY(-4vh) scale(0.6);
 transform: translateY(-4vh) scale(0.6);
}
 30% {
 left: 50%;
 -webkit-transform: translateY(1vh) scale(0.45);
 transform: translateY(1vh) scale(0.45);
}
 40% {
 left: 70%;
 -webkit-transform: translateY(-2.5vh) scale(0.5);
 transform: translateY(-2.5vh) scale(0.5);
}
 50% {
 left: 90%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}
 51% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}
 100% {
 left: 110%;
 -webkit-transform: translateY(0vh) scale(0.45);
 transform: translateY(0vh) scale(0.45);
}