html {
  /*height: 100%;*/
}
body {
  margin:0;
  padding:0;
  font-family: sans-serif;
  /*background: linear-gradient(#141e30, #243b55);*/
}

input[type="date"]::-webkit-calendar-picker-indicator {
    background-color: #fff;
}

.formBox {
  position: relative;
  left: 50%;
  width: 400px;
  padding: 40px;
  transform: translate(-50%, 0%);
  background: rgba(0,0,0,0.6);
  box-sizing: border-box;
  box-shadow: 0 10px 15px rgba(0,0,0,.6);
  border-radius: 10px;
}

.formBox h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.formBox .inputBox {
  position: relative;
}

.formBox .inputBox input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 20px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}
.formBox .inputBox label {
  position: absolute;
  top:0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.formBox .inputBox input:focus ~ label,
.formBox .inputBox input:valid ~ label {
  top: -24px;
  left: 0;
  color: #2196f3;
  font-size: 12px;
}

.submitBtn {
  width: 250px;
  background-color: white;
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #2196f3;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: 1.1s;
  margin-top: 20px;
  letter-spacing: 4px
}

.submitBtn:hover {
  background: #0878af;
  color: #fff;
  border-radius: 5px;
  border: #fff 1px solid;
  box-shadow: 0 0 5px #2196f3,
              0 0 15px #2196f3,
              0 0 30px #2196f3,
              0 0 250px #2196f3;
}



@keyframes btn-anim1 {
  0% {
    left: -100%;
  }
  50%,100% {
    left: 100%;
  }
}