<div class="wrapper-no4">
<button class="button-bird">
<p class="button-bird__text">SEND</p>
<svg version="1.1" class="feather" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
viewBox="0 0 75 38" style="enable-background:new 0 0 75 38;" xml:space="preserve">
<g>
<path d="M20.8,31.6c3.1-0.7,2.9-2.3,2,1c9.1,4.4,20.4,3.7,29.1-0.8l0,0c0.7-2.1,1-3.9,1-3.9c0.6,0.8,0.8,1.7,1,2.9
c4.1-2.3,7.6-5.3,10.2-8.3c0.4-2.2,0.4-4,0.4-4.1c0.6,0.4,0.9,1.2,1.2,2.1c4.5-6.1,5.4-11.2,3.7-13.5c1.1-2.6,1.6-5.4,1.2-7.7
c-0.5,2.4-1.2,4.7-2.1,7.1c-5.8,11.5-16.9,21.9-30.3,25.3c13-4,23.6-14.4,29.1-25.6C62.8,9,55.6,16.5,44.7,20.7
c2.1,0.7,3.5,1.1,3.5,1.6c-0.1,0.4-1.3,0.6-3.2,0.4c-7-0.9-7.1,1.2-16,1.5c1,1.3,2,2.5,3.1,3.6c-1.9-0.9-3.8-2.2-5.6-3.6
c-0.9,0.1-10.3,4.9-22.6-12.3C5.9,17.7,11.8,26.9,20.8,31.6z"/>
</g>
</svg>
<span class="bird"></span>
<span class="bird--1"></span>
<span class="bird--2"></span>
<span class="bird--3"></span>
<span class="bird--4"></span>
<span class="bird--5"></span>
<span class="bird--6"></span>
<span class="bird--7"></span>
<span class="bird--8"></span>
<span class="bird--9"></span>
<span class="bird--10"></span>
<span class="bird--11"></span>
<span class="bird--12"></span>
<span class="bird--13"></span>
<span class="bird--14"></span>
<span class="bird--15"></span>
<span class="bird--16"></span>
<span class="bird--17"></span>
<span class="bird--18"></span>
<span class="bird--19"></span>
<span class="bird--20"></span>
<span class="bird--21"></span>
<span class="bird--22"></span>
<span class="bird--23"></span>
<span class="bird--24"></span>
<span class="bird--25"></span>
<span class="bird--26"></span>
<span class="bird--27"></span>
<span class="bird--28"></span>
<span class="bird--29"></span>
<span class="bird--30"></span>
</button>
</div>$sizeh4: 25px;
$sizew4: 59px;
$sizew4fore: 118px;
$color4: #131335;
$color4Blue: #BEEDFF;
$widthBird2: 60px;
$widthBird1: 30px;
$heightBird2: 33px;
body{
margin: 0;
padding: 0;
overflow-x:hidden;
}
.wrapper-no4 {
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(to bottom, $color4Blue, white);
height: 100vh;
width: 100vw;
max-width:100%;
overflow: hidden;
.button-bird{
width: 300px;
height: 88px;
background-color: $color4;
border-radius: 5px;
position: absolute;
top: 50%;
opacity: 1;
transform: translateY(-50%);
padding: 0;
border: none;
display: flex;
justify-content: center;
cursor: pointer;
&__text{
text-align: center;
font-size: 20px;
font-family: Helvetica, Arial, sans-serif;
color: $color4Blue;
position: absolute;
z-index: 1000;
top: 50%;
margin: 0;
transform: translateY(-50%);
}
&:focus {
outline: none;
}
&:hover{
.bird--30{
left: 600px;
top: -550px;
opacity: 0;
transition: left 1.5s cubic-bezier(0.42, 0, 0.58, 1), top 1.5s cubic-bezier(0.42, 0, 0.58, 1), opacity 0.5s linear 1s;
}
.bird--30:after{
left: 50px;
top: 50px;
transition: all 1.5s cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
.bird--30:before{
left: -50px;
top: 50px;
transition: all 1.5s cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
}
.feather{
position: absolute;
width: 18%;
left: 40%;
top: 12px;
display: none;
opacity: 0;
fill: $color4;
}
}
.button-bird.active {
background-color: transparent;
transition: all 0.2s linear 0.1s;
.button-bird__text{
color: $color4;
animation: text-fade 1.5s 0.2s;
}
.feather{
display: block;
animation: feather-fade 1.5s linear 0.5s forwards;
}
.bird--20,
.bird--19,
.bird--18,
.bird--21,
.bird--23,
.bird--25,
.bird--30{
left: 600px;
top: -550px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1), top 2s cubic-bezier(0.42, 0, 0.58, 1), opacity 0.5s linear 1.5s;
}
.bird--5,
.bird--17,
.bird--16,
.bird--15,
.bird--22{
left: 600px;
top: -600px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1) 0.1s, top 2s cubic-bezier(0.42, 0, 0.58, 1) 0.1s, opacity 0.5s linear 1.6s;
}
.bird--14,
.bird--13,
.bird--12,
.bird--24,
.bird--1{
left: 650px;
top: -650px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1) 0.15s, top 2s cubic-bezier(0.42, 0, 0.58, 1) 0.15s, opacity 0.5s linear 1.65s;
}
.bird--11,
.bird--10,
.bird--9,
.bird--26,
.bird--27{
left: 650px;
top: -700px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1) 0.2s, top 2s cubic-bezier(0.42, 0, 0.58, 1) 0.2s, opacity 0.5s linear 1.7s;
}
.bird--8,
.bird--7,
.bird--6,
.bird--28{
left: 700px;
top: -750px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1) 0.25s, top 2s cubic-bezier(0.42, 0, 0.58, 1) 0.25s, opacity 0.5s linear 1.75s;
}
.bird,
.bird--4,
.bird--29,
.bird--3{
left: 750px;
top: -800px;
opacity: 0;
transition: left 2s cubic-bezier(0.42, 0, 0.58, 1) 0.3s, top 2s cubic-bezier(0.42, 0, 0.58, 1) 0.3s, opacity 0.5s linear 1.8s;
}
.bird--2{
left: 850px;
top: -850px;
opacity: 0;
transition: left 1.5s cubic-bezier(0.42, 0, 0.58, 1) 0.35s, top 1.5s cubic-bezier(0.42, 0, 0.58, 1) 0.35s, opacity 0.5s linear 1.8s;
}
.bird--5:after,
.bird--4:after,
.bird--8:after,
.bird--14:before,
.bird--16:after,
.bird--17:before,
.bird--21:after,
.bird--30:after,
.bird--30:before{
left: 50px;
top: -100px;
transition: all 1s cubic-bezier(0.42, 0, 0.58, 1) -0.3s;
}
.bird--4:before,
.bird--7:before,
.bird--9:after,
.bird--12:before,
.bird--13:before,
.bird--18:after,
.bird--27:after,
.bird--26:before{
left: -50px;
top: 0px;
transition: all ss cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
.bird:before,
.bird--2:after,
.bird--1:after,
.bird--7:after,
.bird--8:before,
.bird--15:after,
.bird--19:before,
.bird--22:after,
.bird--28:after,
.bird--28:before,
.bird--3:after{
left: 100px;
top: -100px;
transition: all 1s cubic-bezier(0.42, 0, 0.58, 1) 0s;
}
.bird--2:before,
.bird--1:before,
.bird--9:before,
.bird--12:after,
.bird--13:after,
.bird--17:after,
.bird--19:before,
.bird--23:after,
.bird--23:before{
left: 50px;
top: -10px;
transition: all 2s cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
.bird:after,
.bird--6:before,
.bird--10:after,
.bird--11:after,
.bird--16:before,
.bird--18:before,
.bird--20:before,
.bird--24:before,
.bird--26:after,
.bird--27:before{
left: 50px;
top: 50px;
transition: all 2s cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
.bird--3:before,
.bird--6:after,
.bird--10:before,
.bird--11:before,
.bird--14:after,
.bird--15:before,
.bird--20:after,
.bird--22:before,
.bird--24:after,
.bird--25:after,
.bird--25:before,
.bird--5:before{
left: 100px;
top: -10px;
transition: all 2s cubic-bezier(0.42, 0, 0.58, 1) -0.5s;
}
}
//size of two birds
.bird,
.bird:before,
.bird:after,
.bird--1,
.bird--1:after,
.bird--1:before,
.bird--2,
.bird--2:after,
.bird--2:before,
.bird--3,
.bird--3:after,
.bird--3:before,
.bird--4,
.bird--4:after,
.bird--4:before,
.bird--5,
.bird--5:after,
.bird--5:before,
.bird--6,
.bird--6:after,
.bird--6:before,
.bird--7,
.bird--7:after,
.bird--7:before,
.bird--8,
.bird--8:after,
.bird--8:before,
.bird--9,
.bird--9:after,
.bird--9:before,
.bird--10,
.bird--10:after,
.bird--10:before,
.bird--11,
.bird--11:after,
.bird--11:before,
.bird--12,
.bird--12:after,
.bird--12:before,
.bird--13,
.bird--13:after,
.bird--13:before,
.bird--14,
.bird--14:after,
.bird--14:before,
.bird--15,
.bird--15:after,
.bird--15:before,
.bird--16,
.bird--16:after,
.bird--16:before,
.bird--17,
.bird--17:after,
.bird--17:before,
.bird--18,
.bird--18:after,
.bird--18:before,
.bird--19,
.bird--19:after,
.bird--19:before,
.bird--20,
.bird--20:after,
.bird--20:before,
.bird--21,
.bird--21:after,
.bird--21:before,
.bird--22,
.bird--22:after,
.bird--22:before,
.bird--23,
.bird--23:after,
.bird--23:before,
.bird--24,
.bird--24:after,
.bird--24:before,
.bird--25,
.bird--25:after,
.bird--25:before,
.bird--26,
.bird--26:after,
.bird--26:before,
.bird--27,
.bird--27:after,
.bird--27:before,
.bird--28,
.bird--28:after,
.bird--28:before,
.bird--29,
.bird--29:after,
.bird--29:before,
.bird--30,
.bird--30:after,
.bird--30:before {
opacity: 1;
display:block;
position: absolute;
background-image: url('http://cfriedri.ch/codepen/04/birds.svg');
background-size: auto 100%;
width: $widthBird2;
height: $heightBird2;
top: 0;
left: 0;
animation-name: fly-cycle;
animation-timing-function: steps(3);
animation-iteration-count: infinite;
}
//size of one bird
.bird--1:after,
.bird--1:before,
.bird--2:after,
.bird--2:before,
.bird--4:after,
.bird--4:before,
.bird--5:after,
.bird--5:before,
.bird--7:after,
.bird--7:before,
.bird--8:after,
.bird--8:before,
.bird--10:after,
.bird--10:before,
.bird--11:after,
.bird--11:before,
.bird--13:after,
.bird--13:before,
.bird--14:after,
.bird--14:before,
.bird--16:after,
.bird--16:before,
.bird--17:after,
.bird--17:before,
.bird--18,
.bird--18:after,
.bird--18:before,
.bird--19,
.bird--19:after,
.bird--19:before,
.bird--20:after,
.bird--20:before,
.bird--21,
.bird--21:after,
.bird--21:before,
.bird--22,
.bird--22:after,
.bird--22:before,
.bird--23,
.bird--23:after,
.bird--23:before,
.bird--24,
.bird--24:after,
.bird--24:before,
.bird--25,
.bird--25:after,
.bird--25:before,
.bird--26,
.bird--26:after,
.bird--26:before,
.bird--27,
.bird--27:after,
.bird--27:before,
.bird--28,
.bird--28:after,
.bird--28:before,
.bird--29,
.bird--29:after,
.bird--29:before,
.bird--30,
.bird--30:after,
.bird--30:before{
width: $widthBird1;
height: $heightBird2;
top: -8px;
left: 8px;
z-index: -100;
}
.bird--21,
.bird--22,
.bird--23,
.bird--24,
.bird--25,
.bird--26,
.bird--27,
.bird--28,
.bird--29{
top: 0;
}
.bird--22,
.bird--25,
.bird--28{
top: $sizeh4;
}
.bird--23,
.bird--26,
.bird--29{
top: 2 * $sizeh4 - 5px;
}
.bird--24,
.bird--25,
.bird--26{
left: $sizew4fore + 15px;
}
.bird--27,
.bird--28,
.bird--29{
left: 2 * $sizew4fore + 20px;
}
.bird--18{
top:0;
left:0;
}
.bird--18:after,
.bird--18:before{
left: -20px;
}
.bird--19:after,
.bird--19:before{
left: -10px;
}
.bird--1:before,
.bird--4:before,
.bird--7:before,
.bird--10:before,
.bird--13:before,
.bird--16:before,
.bird--19:before{
top: 18px;
}
.bird--2:after,
.bird--5:after,
.bird--8:after,
.bird--11:after,
.bird--14:after,
.bird--17:after,
.bird--20:after{
top: -18px;
left: 12px
}
.bird--20:after,
.bird--20:before,
.bird--21:after{
left: 27px
}
.bird--2:before,
.bird--5:before,
.bird--8:before,
.bird--11:before,
.bird--14:before,
.bird--17:before,
.bird--20:before{
top: -36px;
left: 12px
}
.bird--21:before,
.bird--22:before,
.bird--23:before,
.bird--24:before,
.bird--25:before,
.bird--26:before{
top: 10px;
left: 45px;
}
.bird--21:after,
.bird--22:after,
.bird--23:after,
.bird--24:after,
.bird--25:after,
.bird--26:after,
.bird--27:after,
.bird--28:after,
.bird--29:after{
left: 10px;
top: 4px;
}
.bird--27:before,
.bird--28:before,
.bird--29:before{
left: -45px;
top: 10px;
}
.bird:before,
.bird:after,
.bird--1:after,
.bird--1:before,
.bird--2:before,
.bird--2:after,
.bird--3:after,
.bird--3:before,
.bird--4:after,
.bird--4:before,
.bird--5:after,
.bird--5:before,
.bird--6:after,
.bird--6:before,
.bird--7:after,
.bird--7:before,
.bird--8:after,
.bird--8:before,
.bird--9:after,
.bird--9:before,
.bird--10:after,
.bird--10:before,
.bird--11:after,
.bird--11:before,
.bird--12:after,
.bird--12:before,
.bird--13:after,
.bird--13:before,
.bird--14:after,
.bird--14:before,
.bird--15:after,
.bird--15:before,
.bird--16:after,
.bird--16:before,
.bird--17:after,
.bird--17:before,
.bird--18:after,
.bird--18:before,
.bird--19:after,
.bird--19:before,
.bird--20:after,
.bird--20:before,
.bird--21:after,
.bird--21:before,
.bird--22:after,
.bird--22:before,
.bird--23:after,
.bird--23:before,
.bird--24:after,
.bird--24:before,
.bird--25:after,
.bird--25:before,
.bird--26:after,
.bird--26:before,
.bird--27:after,
.bird--27:before,
.bird--28:after,
.bird--28:before,
.bird--29:after,
.bird--29:before,
.bird--30:after,
.bird--30:before{
content: '';
}
.bird:before,
.bird--3:before,
.bird--12:before,
.bird--15:before,
.bird--6:before,
.bird--9:before,
.bird--18:before{
top: 10px;
}
.bird:after,
.bird--6:after,
.bird--12:after,
.bird--15:after,
.bird--9:after,
.bird--18:after{
top: $sizeh4 + 10px;
}
.bird--3:after{
left: -10px;
}
.bird--3:after{
top: $sizeh4 + 15px;
}
.bird--1,
.bird--4,
.bird--7,
.bird--10,
.bird--13,
.bird--16,
.bird--19{
top: $sizeh4;
}
.bird--2{
top: 2 * $sizeh4 - 5px;
}
.bird--5{
top: 2 * $sizeh4 - 3px;
left: 25px;
}
.bird--8,
.bird--11,
.bird--14,
.bird--17,
.bird--20{
top: 2 * $sizeh4;
}
.bird--3,
.bird--4{
left: $sizew4;
}
.bird--6,
.bird--7,
.bird--8{
left: 2 * $sizew4;
}
.bird--9,
.bird--10,
.bird--11{
left: 3 * $sizew4;
}
.bird--12,
.bird--13,
.bird--14{
left: 4 * $sizew4;
}
.bird--15,
.bird--16,
.bird--17{
left: 3.5 * $sizew4;
}
.bird--20{
left: 2 * $sizew4 - 10px;
}
.bird--18,
.bird--19{
left: 2.5 * $sizew4 - 10px;
}
.bird--30,
.bird--30:after,
.bird--30:before{
left: 2 * $sizew4;
top: 0;
}
.bird--30:before{
top: $sizeh4;
}
.bird--30:after{
top: 20px;
}
.active,
.button-bird:hover{
.bird,
.bird:before,
.bird--3,
.bird--4,
.bird--4:after,
.bird--4:before,
.bird--9,
.bird--9:after,
.bird--13,
.bird--13:after,
.bird--13:before,
.bird--15,
.bird--16,
.bird--18,
.bird--21,
.bird--21:after,
.bird--27:before,
.bird--24,
.bird--24:after,
.bird--24:before,
.bird--27,
.bird--27:after,
.bird--27:before,
.bird--30:before {
animation-duration: 0.5s;
animation-delay: -0.5s;
}
.bird--1,
.bird--1:after,
.bird--3:before,
.bird--5,
.bird--5:after,
.bird--5:before,
.bird--7,
.bird--7:after,
.bird--7:before,
.bird--9:before,
.bird--10,
.bird--10:after,
.bird--10:before,
.bird--14,
.bird--14:after,
.bird--14:before,
.bird--17,
.bird--17:after,
.bird--17:before,
.bird--19,
.bird--19:after,
.bird--19:before,
.bird--18:after,
.bird--22,
.bird--22:after,
.bird--22:before,
.bird--25,
.bird--25:after,
.bird--25:before,
.bird--28,
.bird--28:after,
.bird--28:before,
.bird--30:after {
animation-duration: 0.7s;
animation-delay: -0.5s;
}
.bird:after,
.bird--1:before,
.bird--2,
.bird--2:before,
.bird--2:after,
.bird--3:after,
.bird--6,
.bird--6:after,
.bird--6:before,
.bird--8,
.bird--8:after,
.bird--8:before,
.bird--11,
.bird--11:after,
.bird--11:before,
.bird--12,
.bird--12:after,
.bird--12:before,
.bird--16,
.bird--16:after,
.bird--16:before,
.bird--20,
.bird--20:after,
.bird--20:before,
.bird--18:before,
.bird--23,
.bird--23:after,
.bird--23:before,
.bird--26,
.bird--26:after,
.bird--26:before,
.bird--29,
.bird--29:after,
.bird--29:before,
.bird--30 {
animation-duration: 0.6s;
animation-delay: -0.75s;
}
}
@keyframes fly-cycle {
100% {
background-position: -360px 0;
}
}
@keyframes text-fade {
0% {
color: transparent;
opacity: 1;
top: -50%;
left: auto;
}
1% {
color: transparent;
opacity: 0;
}
50%{
color: transparent;
opacity: 0;
}
100% {
color: $color4;
opacity: 1;
}
}
@keyframes feather-fade {
0% {
top: -100px;
opacity: 0;
}
25% {
transform: rotate(10deg);
left: 30%;
}
50%{
transform: rotate(-5deg);
opacity: 1;
left: 45%;
}
75%{
transform: rotate(10deg);
left: 32%;
}
100% {
transform: rotate(0deg);
opacity: 1;
top: 12px;
left: 43%;
}
}
}document.addEventListener("DOMContentLoaded", function(){
var el = document.querySelector(".button-bird");
var text = document.querySelector(".button-bird__text");
el.addEventListener('click', function() {
el.classList.toggle('active');
if(el.classList.contains('active')){
console.log('true');
text.innerHTML = 'DONE';
}else{
text.innerHTML = 'SEND';
}
});
});
External CSS
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External JavaScript
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