.input-group {
    position: relative;
    width: 100%;
    margin-bottom: 1.5rem;
}

.input-group input {
    width: 100%;
    padding: 14px 40px 14px 18px;
    border-radius: 10px;
    border: 2px solid #660000;
    background-color: #2a2a2a;
    color: #eee;
    box-shadow:
        inset 2px 2px 5px #1f1f1f,
        inset -2px -2px 5px #363636;
    font-size: 1.1rem;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    box-sizing: border-box;
}

.input-group i.fa {
    position: absolute;
    right: 14px;
    top: 40%;
    transform: translateY(-70%);
    color: #aa4a44;
    font-size: 1.2rem;
    pointer-events: none;
}

.input-group {
    position: relative;
}

.input-group input {
    width: 100%;
    padding-right: 45px;
}

.input-group i.fa {
    position: absolute;
    right: 14px;
    top: 40%;
    transform: translateY(-70%);
    color: #aa4a44;
    font-size: 1.2rem;
    pointer-events: none;
}

.form-container {
  max-width: 400px;
  width: 90vw;
  margin: 20px auto;
  padding: 20px;
  box-sizing: border-box;
  background-color: #1E1E1E;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

@media (max-width: 320px) {
  .form-container {
    width: 95vw;
    padding: 15px;
  }
}