style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins',sans-serif;
}
body{
  height: 100vh;
  display: flex;
  justify-content: center;    
  align-items: center;
  padding: 10px;
  background: linear-gradient(135deg, #71b7e6, #9b59b6);
}
#logo{ 
	position:fixed; 
	top:15px; 
	left:20px; 
}
.container{
  max-width: 400px;
  width: 100%;
  background-color: #fff;
  padding: 5px 30px;
  border-radius: 10px;
  box-shadow: 0 5px 10px rgba(0,0,0,0.15);
}
.container .title{
  font-size: 30px;
  font-weight: 500;
  text-align: left;    
  position: relative;
  padding-top: 15px;        
}
form .user-details .input-box{
  margin-top: 15px;
  margin-bottom: 15px;
  position: relative;     
}
form .input-box span.details{
  display: block;
  font-weight: 500;    
  margin-bottom: 5px;
}   
.user-details .input-box input{
  height: 45px;
  width: 100%;
  outline: none;
  font-size: 16px;    
  border-radius: 5px;
  padding-left: 15px;    
  border: 1px solid #ccc;
  border-bottom-width: 2px;
  transition: all 0.3s ease;
}
.user-details .input-box input:focus,
.user-details .input-box input:valid{
  border-color: #9b59b6;
}
 form .button{
   height: 45px;
   margin: 25px 0px;   
   text-align: center;
 }
 form .button button{
   height: 100%;
   width: 100%; 
   border-radius: 15px;
   border: none;
   color: #fff;
   font-size: 18px;
   font-weight: 500;
   letter-spacing: 1px;
   cursor: pointer;
   transition: all 0.3s ease;
   background: linear-gradient(135deg, #71b7e6, #9b59b6);
 }
 form .button button:hover{
  /* transform: scale(0.99); */
  background: linear-gradient(-135deg, #71b7e6, #9b59b6);
  }
 @media(max-width: 584px){
 .container{
  max-width: 100%;
}
form .user-details .input-box{
    margin-bottom: 15px;
    width: 100%;
  }
  .content form .user-details{
    max-height: 300px;
    overflow-y: scroll;
  }
  .user-details::-webkit-scrollbar{
    width: 5px;
  }
  }
  @media(max-width: 459px){
  .container .content .category{
    flex-direction: column;
  }
}