style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins',sans-serif;
}
body{
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #ffd6d6, #aa5fbd);
    padding: 10px;
}
.container{
    max-width: 700px;
    width: 100%;
    background: #fff;
    padding: 25px 30px;
    border-radius: 20px;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    background-image: url(doctor.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 200px;
    height: 100vh;
    opacity: .3;
    z-index: 2;
}
.container .title{
    font-size: 25px;
    font-weight: 500;
    text-align: center;
    position: relative;
}
.container .title::before{
    content: '';
    position: absolute;
    
    bottom: 0;
    height: 3px;
    width: 30px;
    background: linear-gradient(135deg, #71b7e6, #9b59b6);
    
}
.container form .input-details{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin: 20px 0 12px 0;
}
form .user-details .input-box{
    margin-bottom: 15px;
    width: calc(100% / 2 -20px);
}
.user-details .input-box .details{
    display: block;
    font-weight: 500;
    margin-bottom: 5px;
}
.user-details .input-box input{
    height: 45px;
    width: 100%;
    outline: none;
    border-radius: 20px;
    border: 0px solid white;
    background-color: red;
    padding-left: 15px;
    
    font-size: 16px
    
    border-bottom-width: 2px;
    transition: all 0.3s ease;
}
::placeholder{
    color: white;
}
.user-details .input-box input:focus;
.user-details .input-box input:valid{
    border-color: #9b59b6;
}
form .gender-details .gender-title{
    font-size: 20px;
    font-weight: 500;

}
form .gender-details .category{
    display: flex;
    width: 80%;
    margin: 14px;
    justify-content: space-between;

}
.gender-details .category label{
    display: flex;
    align-items: center;
}
.gender-details .category .dot{
    height: 18px;
    width: 18px;
    background: #d9d9d9;
    border-radius: 50%;
    margin-right: 10px;
    border: 3px solid red;
}
form .button input{
    height: 100%;
    width: 100%;
    outline: none;
    color: #fff;
    background: linear-gradient(135deg, #71b7e6, #9b59b6);
    border-radius: 20px;
    padding-left: 15px;
    padding-right: 15px ;
    
}
form .button input:hover{
    background: linear-gradient(-135deg, #71b7e6, #9b59b6);
}