*{
  margin:0;
  padding:0;
  box-sizing: border-box;
}
body{
  overflow: hidden;
}
section{
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(to bottom,#f1f4f9,#dff1ff);
}
section .color{
  position: fixed;
  filter: blur(150px);
}
section .color:nth-child(1){
  top: -300px;
  width: 355px;
  height: 600px;
  background: #ff359b;
}
section .color:nth-child(2){
  bottom: -100px;
  left: 100px;
  width: 265px;
  height: 450px;
  background: #fffd87;
}
section .color:nth-child(3){
  bottom: 40px;
  right: 250px;
  width: 300px;
  height: 300px;
  background: #00d2ff;
}
.box{
  position: relative;
}
.box .square{
  position: absolute;
  backdrop-filter: blur(5px);
  box-shadow: 0 25px 45px rgba(0,0,0, .1);
  border:1px solid rgba(255,255,255, .5);
  border-right: 1px solid rgba(255,255,255, .2);
  border-bottom: 1px solid rgba(255,255,255, .2);
  background: rgba(255,255,255, .1);
  border-radius: 10px;
  animation: animate 6s linear infinite;
  animation-delay: calc(-1s * var(--i));
}
@keyframes animate{
  0%, 100%{
    transform: translateY(-40px);
  }
  50%{
    transform: translateY(40px);
  }
}
.box .square:nth-child(1){
  top: -50px;
  right: -30px;
  width: 100px;
  height: 100px;
}
.box .square:nth-child(2){
  top: 150px;
  left: -100px;
  width: 120px;
  height: 120px;
  z-index: 2;
}
.box .square:nth-child(3){
  bottom: 50px;
  right: -15px;
  width: 70px;
  height: 70px;
  z-index: 2;
}
.box .square:nth-child(4){
  bottom: -80px;
  left: 100px;
  width: 50px;
  height: 50px;
}
.box .square:nth-child(5){
  top: -80px;
  left: 100px;
  width: 60px;
  height: 60px;
}
.container{
  position: relative;
  width: 350px;
  min-height: 400px;
  background: rgba(255,255,255, .1);
  display: flex;
  justify-content:center;
  align-items: center;
  backdrop-filter: blur(25px);
  box-shadow: 0 25px 45px rgba(0,0,0, .1);
  border:1px solid rgba(255,255,255, .5);
  border-right: 1px solid rgba(255,255,255, .2);
  border-bottom: 1px solid rgba(255,255,255, .2);
  border-radius: 10px;
}
.form{
  position: relative;
  width: 100%;
  height: 100%;
  padding: 40px;
}
.form h2{
  position: relative;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 40px;
}
.form h2::before{
  content: '';
  position: absolute;
  left:0;
  bottom: -10px;
  width: 80px;
  height: 4px;
  background: #fff;
}
.form .inputBox{
  width: 100%;
  margin-top: 20px;
}
.form .inputBox input{
  width: 100%;
  background: rgba(255,255,255, .2);
  border: none;
  outline: none;
  padding: 10px 20px;
  border-radius: 35px;
  border:1px solid rgba(255,255,255, .5);
  border-right: 1px solid rgba(255,255,255, .2);
  border-bottom: 1px solid rgba(255,255,255, .2);
  box-shadow: 0 15px 15px rgba(0,0,0, .1);
  font-size: 16px;
  letter-spacing: 1px;
  color: #fff;
}
.form .inputBox input::placeholder{
  color: #fff;
}
.form .inputBox input[type="submit"]{
  background: #fff;
  color: #666;
  max-width: 100px;
  cursor: pointer;
  margin-bottom: 20px;
  font-weight: 400;
}
.forget {
  margin-top: 5px;
  color: #fff;
}
.forget a{
  color: #fff;
  font-weight: 600;
}