* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  font-family: montserrat;
  box-sizing: border-box;
}
body {
  background: url(../img/waskita.png) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  background-color: black;
  opacity: 0.9;
}
.login-form {
  width: 360px;
  height: 580px;
  background: white;
  padding: 80px 40px;
  border-radius: 10px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.login-form h1 {
  text-align: center;
  margin-bottom: 60px;
}
.txtb {
  border-bottom: 2px solid #adadad;
  position: relative;
  margin: 30px 0;
}
.txtb input {
  font-size: 15px;
  color: #333;
  border: none;
  width: 100%;
  outline: none;
  background: none;
  height: 40px;
  padding: 0 5px;
}
.txtb span::before {
  content: attr(data-placeholder);
  position: absolute;
  top: 50%;
  left: 5px;
  color: black;
  transform: translateY(-50%);
  z-index: -1;
  transition: 0.5s;
}

.logbtn {
  color: aliceblue;
  margin-top: 70px;
  display: block;
  width: 100%;
  height: 50px;
  border: none;
  background-size: 200%;
  background: firebrick;
  outline: none;
  cursor: pointer;
  transition: 0.5s;
  font-size: small;
  border-radius: 20px;
}
.focus + span::before {
  top: -5px;
}
.focus + span::after {
  width: 100%;
}
.logbtn:hover {
  background-position: right;
}
.buttom-text {
  margin-top: 60px;
  font-size: 13px;
  text-align: center;
}