body{
  background-image: url(https://static.vecteezy.com/system/resources/thumbnails/013/730/092/small/mountains-color-translucent-waves-abstract-glass-shape-modern-background-design-illustration-vector.jpg);
  background-image: no repeat;
   background-repeat: no-repeat;
  background-size: cover;
  display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.container{
  background-color: #414141;
  padding: 19px;
  border-radius: 19px;
  width: 300px;
  align-items: center;
  color: #fff;
  background: rgba(50, 27, 36, 0.845);
  
}
.btn{
  background-color: #414141;
  color: #fff;
  padding: 19px;
  border-radius: 10px;
  width: 300px;
  align-items: center;
  color: #fff;
  display: flex;
  align-items: end;
}
h1{
    color:#fff
}
label{
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
    text-align: left;
}
input{
    width: 95%;
    padding: 10px;
    font-size: 16px;
    background-color:#2980b9
    border: 1px solid #dcdcdc;
    border-radius: 4px;
    margin:5px;
    transition: boder-color 0.3s;
}
input:hover{
    background-color:  #b0b0b0;
}
input:focus{
    border-color: #3498db; 
    outline: none;
}
.gender-opt{
    display: flex;
    justify-content: space-around;
    margin: 12px 0;
}

button{
    width: 100%;
    padding: 12px;
    font-size: 16px;
    color: white;
    background: linear-gradient(to bottom, #3498db, #2980b9);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    margin-top: 10px;
}

button:hover {
    background: linear-gradient(to bottom, #2980b9, #1f669e);
}
button:active {
    transform: scale(0.98);
}