.container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    width: 100%;
    max-width: 500px!important;
    margin-right: auto;
    margin-left: auto;
    }
    ::placeholder {
        color: #20202070;
        font-weight: 500;
        opacity: 1; 
    }
    :-ms-input-placeholder { 
  color: #20202070;
  font-weight: 500;
}
::-ms-input-placeholder { 
  color: #20202070;
  font-weight: 500;
}