.cep {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: hsla(198, 80%, 0%, 0.9);
    color: white;
    border: none;
    margin: 0;
    z-index: 11;
    transition: 0.5s;
}
.cep[open] {
    visibility: visible;
    opacity: 1;
}
.cep:not([open]) {
    visibility: collapse;
    opacity: 0;
}

.cep * {
    position: relative;
}

.cep form {
    width: 100%;
    max-width: 20rem;
    padding: 3rem 1rem;
    margin: 0 auto;
    text-align: center;
}

.cep label {
    display: block;
    font-weight: lighter;
    font-size: 1.5rem;
}

.cep .field {
    display: flex;
    justify-content: space-around;
    align-items: center;
    width: 100%;
    transition: 0.25s;
    border-bottom: thin solid currentColor;
}

.cep input {
    font-weight: bold !important;
    font-size: 2rem !important;
    color: currentColor;
    border-color: transparent;
}
.cep input:invalid {
    opacity: 0.75;
}
.cep input::placeholder {
    color: hsl(0, 0%, 100%, 0.5);
}

.cep .icon {
    width: 1.5rem;
    height: 1.5rem;
    fill: currentColor;
}

.cep button {
    border: none;
    /*outline: none;*/
    padding: 0;
    width: auto;
    height: 1.5rem;
    background-color: transparent;
    color: currentColor;
    cursor: pointer;
}

.cep a.close {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    padding: 1.5rem 1rem;
    text-align: right;
    color: currentColor;
}
.cep a.close .icon {
    opacity: 0.5;
    transition: 0.5s;
}
.cep a.close .icon:hover {
    opacity: 1;
    cursor: pointer;
}

.custom-modal-cep-erro {
    margin: 1rem 0;
    font-size: 0.875rem;
}