body {
  font-family: Arial, sans-serif;
  direction: rtl;
  text-align: center;
  margin: 0;
  padding: 0;
  background: url('../image/background.png') no-repeat center center fixed;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}

.login-card {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.login-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.login-card h2 {
  margin-bottom: 20px;
}

.mdl-textfield {
  width: 100%;
}

.mdl-button--colored {
  background-color: #3f51b5;
  color: #fff;
}

.floating-circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.floating-circles span {
  position: absolute;
  display: block;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 10s infinite;
}

.floating-circles span:nth-child(odd) {
  background: rgba(255, 255, 255, 0.2);
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
}
.login-card {
  background-color: rgba(255, 255, 255, 0.9);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.login-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.login-card h2 {
  margin-bottom: 20px;
}

.mdl-textfield {
  width: 100%;
}

.mdl-button--colored {
  background-color: #3f51b5;
  color: #fff;
}

.floating-circles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.floating-circles span {
  position: absolute;
  display: block;
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 10s infinite;
}

.floating-circles span:nth-child(odd) {
  background: rgba(255, 255, 255, 0.2);
}

@keyframes float {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }

  100% {
    transform: translateY(-1000px) rotate(720deg);
    opacity: 0;
  }
}