style.css

*{
  box-sizing: border-box;
}
body{
  font-family:sans-serif;
  background-color: powderblue;
}
#login{
  border-radius: 8px;
  padding: 10px 20px 20px 20px;
  margin:100px;
  width: 90%;
  max-width: 320px;
  position: relative;
  padding-bottom: 80px;
  box-shadow: 0px 1px 5px rgba(0, 0, 0, 0.3);
}
input {
  display: block;
  padding: 15px 10px;
  margin-bottom: 10px;
  width: 100%;
  border: 1px solid #ddd;
  transition: border-width 0.2s ease;
  border-radius: 2px;
  color: #ccc;
}
::-moz-placeholder{
  color: #909;
}
.title {
  color: #444;
  font-size: 26px;
  margin: 10px 0 30px 0;
  border-bottom: 1px solid #eee;
  padding-bottom: 20px;
}
#lgin{
  width: 100%;
  height: 100%;
  padding: 10px 10px;
  background: maroon;
  color: #fff;
  display: block;
  border: none;
  margin-top: 20px;
  position: absolute;
  left: 0;
  bottom: 0;
  max-height: 60px;
  border: 0px solid rgba(0, 0, 0, 0.1);
  border-radius: 0 0 2px 2px;
  transform: rotateZ(0deg);
  transition: all 0.1s ease-out;
  border-bottom-width: 7px;
}