* {
  /* 初始化 */
  margin: 0;
  padding: 0;
}

body {
  /* 100%窗口高度 */
  height: 100vh;

  /* 渐变背景 */
  background: linear-gradient(135deg, #e600ac, #9933ff, #3333ff, #009999);
}
.box{ /* 弹性布局 居中 */
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-box {
  /* 相对定位 */
  position: relative;
  width: 340px;
}

.input-box {
  /* 弹性布局 垂直排列 */
  display: flex;
  flex-direction: column;
}

.input-box input {
  height: 40px;
  border-radius: 5px;
  /* 缩进15像素 */
  text-indent: 15px;
  outline: none;
  border: none;
  margin-bottom: 15px;
}

.input-box input:focus {
  outline: 1px solid lightseagreen;
}
/*  按钮样式
.input-box button {
  border: none;
  height: 45px;
  background-color: lightseagreen;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
}
*/

/* 猫头鹰样式 （height: 108px;）*/
.owl {
  width: 211px;
  height: 127px;
  background-image: url("/static/img/login_1.png");
  /* 绝对定位 */
  position: absolute;
  top: -119px;
  /* 水平居中 */
  left: 50%;
  transform: translateX(-50%);
}

.owl .hand {
  width: 34px;
  height: 34px;
  border-radius: 40px;
  background-color: #FAD1B4;
  /* 缩放0.6倍 */
  transform: scaleY(0.6);
  /* 动画过渡 */
  transition: 0.3s ease-out;
  position: absolute;
  left: 12px;
  bottom: -8px;
}

.owl .hand.hand-r {
  left: 170px;
}

.owl.password .hand {
  transform: translateX(42px) translateY(-15px) scale(0.7);
}

.owl.password .hand.hand-r {
  transform: translateX(-42px) translateY(-15px) scale(0.7);
}

.owl .arms {
  top: 58px;
  position: absolute;
  width: 100%;
  height: 61px;
  overflow: hidden;
}

.owl .arms .arm {
  width: 53px;
  height: 75px;
  position: absolute;
  left: 6px;
  top: 50px;
  background-image: url("/static/img/login_2.png");
  transform: rotate(-20deg);
  transition: 0.3s ease-out;
}

.owl .arms .arm.arm-r {
  transform: rotate(20deg) scaleX(-1);
  left: 158px;
}

.owl.password .arms .arm {
  transform: translateY(-45px) translateX(40px);
}

.owl.password .arms .arm.arm-r {
  transform: translateY(-45px) translateX(-40px) scaleX(-1);
}