#myForm {
    display: inline-block;
    border-radius: 5px;
    font-size: 20px;
    border: none;
}

.main-btn {
    display: inline-block;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    font-weight: 500;
    font-size: 20px;
    border-radius: 5px;
    padding: 15px 25px;
    border: none;
    color: var(--white);
    cursor: pointer;
    z-index: 5;
    -webkit-transition: all 0.4s ease-out 0s;
    transition: all 0.4s ease-out 0s;
    background: var(--primary-color);
}

.form-control {
    background-color: transparent;
    font-size: 20px;
    display: inline-block;
    vertical-align: middle;
    border-radius: 5px;
    padding: 12.5px 25px;
    z-index: 5;
    font-weight: 500;
    border-right: none;
    color: white;
    margin-left: 8px;
    opacity: .9;
}

.form-control:focus, .form-control:active {
    background-color: transparent;
    color: white !important;
    border-right: none;
}

.form-control::placeholder {
    color:white !important;
    opacity: 1 !important;
    text-emphasis-color: white !important; 
}