@import url("https://fonts.googleapis.com/css?family=Muli&display=swap");

* {
  box-sizing: border-box;
}

body {
  background-color: #ff5722;
  color: #fff;
  font-family: "Muli", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}
/*Start SineUp & Overlay  */
.overlay {
  text-align: center;
  background-color: rgba(0, 0, 0, 0.9);
  width: 50%;
  height: 600px;
  position: fixed;
  top: 400px;
  left: 768px;
  display: none;
  transform: translate(-50%, -50%);
  z-index: 100;
  border-radius: 20px;
  transition: 1s;
}
.singup {
  z-index: 500;
  display: none;
  position: relative;
  top: 250px;
}
.singup h1 {
  color: red;
  margin-bottom: 70px;
  margin-left: 20px;
}
.singup .cava {
  color: #fff;
}
.singup input {
  margin: 10px;
  padding: 10px;
  text-align: center;
}
.singup .input {
  width: 300px;
  border-radius: 10px;
  border: none;
  outline: none;
  color: #fff;
  background-color: #333;
  font-weight: 250;
}
#male,
#female {
  margin: 15px;
}
.singup .singup-btn {
  width: 150px;
  height: 35px;
  text-align: center;
  margin-left: 10px;
  border-radius: 10px;
  border: none;
  background-color: #999;
  cursor: pointer;
  transition: 0.5s;
  color: #000;
  font-weight: bold;
}
.singup .singup-btn:hover {
  background-color: #333;
  color: #fff;
  font-weight: bold;
  transition: 0.5s;
  transform: scale(1.1);
  border: none;
}
.closeBtn {
  padding: 7px;
  text-align: center;
  width: 30px;
  position: relative;
  bottom: 523px;
  right: 390px;
  border-radius: 3px;
  border: none;
  background-color: red;
  cursor: pointer;
  transition: 0.5s;
}
.closeBtn:hover {
  background-color: #333;
  color: #fff;
  font-weight: bold;
  cursor: pointer;
  transition: 0.5s;
}
/*End SineUp & Overlay  */

/* Start Container */
.container {
  background-color: rgba(0, 0, 0, 0.4);
  padding: 20px 40px;
  border-radius: 5px;
}

.container h1 {
  text-align: center;
  margin-bottom: 30px;
}

.container a {
  text-decoration: none;
  color: lightblue;
}

.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background: lightblue;
  padding: 15px;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 5px;
}

.btn:focus {
  outline: 0;
}

.btn:active {
  transform: scale(0.98);
}

.text {
  margin-top: 30px;
}

.form-control {
  position: relative;
  margin: 20px 0 40px;
  width: 300px;
}

.form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px #fff solid;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: #fff;
}

.form-control input:focus,
.form-control input:valid {
  outline: 0;
  border-bottom-color: lightblue;
}

.form-control label {
  position: absolute;
  top: 15px;
  left: 0;
  pointer-events: none;
}

.form-control label span {
  display: inline-block;
  font-size: 18px;
  min-width: 5px;
  transition: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.form-control input:focus + label span,
.form-control input:valid + label span {
  color: lightblue;
  transform: translateY(-30px);
}
/* start responsive */
@media screen and (max-width: 767px) {
  .overlay {
    top: 50%;
    left: 50%;
    width: 92%;
  }
  .closeBtn {
    right: 50%;
  }
}
/* end responsive */