Calm breeze login screen

 

Lien d’origine: https://codepen.io/Lewitje/pen/BNNJjo

HTML:

<section class="login1">
<div class="wrapper">
<div class="background_log">
<h1>Welcome</h1>
<form class="form">
<input type="text" placeholder="e.g. alex@example.com" />
<input type="password" placeholder="********" />
<button type="submit" id="login-button">Login</button>
</form>
</div>
<ul class="bg-bubbles">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</section>

CSS:

@font-face {
font-family: 'Source Sans Pro';
font-style: normal;
font-weight: 200;
src: url(https://fonts.gstatic.com/s/sourcesanspro/v18/6xKydSBYKcSV-LCoeQqfX1RYOo3i94_wlxdr.ttf) format('truetype');
}
@font-face {
font-family: 'Source Sans Pro';
font-style: normal;
font-weight: 300;
src: url(https://fonts.gstatic.com/s/sourcesanspro/v18/6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf) format('truetype');
}
.login1 .wrapper {
background: #50a3a2;
background: linear-gradient(to bottom right, #50a3a2 0%, #53e3a6 100%);
margin-top: 5px;
margin-bottom: 5px;
overflow: hidden;

width: 100%;
height: 100%;
position: relative;
padding: 5% auto;
text-align: center;
background-size: cover;
}
.login1 .wrapper.form-success .background_log h1 {
transform: translateY(85px);
}
.login1 .background_log {
max-width: 600px;
margin: 0 auto;
padding: 80px 0;
height: 400px;
text-align: center;
}
.login1 .background_log h1 {
font-size: 40px;
transition-duration: 1s;
transition-timing-function: ease-in-put;
font-weight: 200;
color: white;
}
.login1 form {
padding: 20px 0;
position: relative;
z-index: 2;
}
.login1 form input {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
border: 1px solid rgba(255, 255, 255, 0.4);
background-color: rgba(255, 255, 255, 0.2);
width: 250px;
border-radius: 3px;
padding: 10px 15px;
margin: 0 auto 10px auto;
display: block;
text-align: center;
font-size: 18px;
color: white;
transition-duration: 0.25s;
font-weight: 300;
}
.login1 form input:hover {
background-color: rgba(255, 255, 255, 0.4);
}
.login1 form input:focus {
background-color: white;
width: 300px;
color: #53e3a6;
}
.login1 form button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
outline: 0;
background-color: white;
border: 0;
padding: 10px 15px;
color: #53e3a6;
border-radius: 3px;
width: 250px;
cursor: pointer;
font-size: 18px;
transition-duration: 0.25s;
}
.login1 form button:hover {
background-color: #f5f7f9;
}
.login1 .bg-bubbles {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
}
.login1 .bg-bubbles li {
position: absolute;
list-style: none;
display: block;
width: 40px;
height: 40px;
background-color: rgba(255, 255, 255, 0.15);
bottom: -160px;
-webkit-animation: square 25s infinite;
animation: square 25s infinite;
transition-timing-function: linear;
}
.login1 .bg-bubbles li:nth-child(1) {
left: 10%;
}
.login1 .bg-bubbles li:nth-child(2) {
left: 20%;
width: 80px;
height: 80px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 17s;
animation-duration: 17s;
}
.login1 .bg-bubbles li:nth-child(3) {
left: 25%;
-webkit-animation-delay: 4s;
animation-delay: 4s;
}
.login1 .bg-bubbles li:nth-child(4) {
left: 40%;
width: 60px;
height: 60px;
-webkit-animation-duration: 22s;
animation-duration: 22s;
background-color: rgba(255, 255, 255, 0.25);
}
.login1 .bg-bubbles li:nth-child(5) {
left: 70%;
}
.login1 .bg-bubbles li:nth-child(6) {
left: 80%;
width: 120px;
height: 120px;
-webkit-animation-delay: 3s;
animation-delay: 3s;
background-color: rgba(255, 255, 255, 0.2);
}
.login1 .bg-bubbles li:nth-child(7) {
left: 32%;
width: 160px;
height: 160px;
-webkit-animation-delay: 7s;
animation-delay: 7s;
}
.login1 .bg-bubbles li:nth-child(8) {
left: 55%;
width: 20px;
height: 20px;
-webkit-animation-delay: 15s;
animation-delay: 15s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
}
.login1 .bg-bubbles li:nth-child(9) {
left: 25%;
width: 10px;
height: 10px;
-webkit-animation-delay: 2s;
animation-delay: 2s;
-webkit-animation-duration: 40s;
animation-duration: 40s;
background-color: rgba(255, 255, 255, 0.3);
}
.login1 .bg-bubbles li:nth-child(10) {
left: 90%;
width: 160px;
height: 160px;
-webkit-animation-delay: 11s;
animation-delay: 11s;
}
@-webkit-keyframes square {
0% {
transform: translateY(0);
}
100% {
transform: translateY(-700px) rotate(600deg);
}
}
@keyframes square {
0% {
transform: translateY(0);
}
100% {
transform: translateY(-700px) rotate(600deg);
}
}