ldc-doux/resources/sass/frontend/_form.scss

form {
    font-size: 16px;
}

input[type="text"] {
    border: 0 none;
}

input[type="submit"] {
    min-width: 180px;
    padding: 15px;
    color: $color-main;
    background-color: transparent;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    border: 1px solid $color-main;
}

.newsletter input[type="text"],
input[type="submit"] {
    border-radius: 30px;
}

input[type="submit"] {
    cursor: pointer;
    &:hover {
        color: $color-light;
        background-color: $color-main;
    }
}

input[type="text"],
input[type="number"],
input[type="mail"] {
    padding: 15px;
    font-size: 15px;
    border: 0 none;
    outline-color: #efefef;
}

textarea {
    width: 100%;
    max-width: 100%;
    margin-top: 30px;
    margin-bottom: 30px;
}

.form-row {
    display: flex;
    padding-top: 30px;
    padding-bottom: 30px;
}

.form-group {
    display: flex;
    padding-bottom: 2px;
    width: 100%;
    max-width: 100%;
    border-bottom: solid 1px $color-dark;
    input[type="text"],
    input[type="number"],
    input[type="mail"] {
        flex-grow: 2;
    }
    &:first-of-type {
        margin-left: 0;
    }
    &:last-of-type {
        margin-right: 0;
    }
}
.country,
.drom {
    width: 50%;

    select {
        width: 100%;
        border: none;
        border-bottom-color: currentcolor;
        border-bottom-style: none;
        border-bottom-width: medium;
        border-bottom: 1px solid black;
        padding-bottom: 1rem;
    }
}
.country {
    margin-right: 15px;
}
fieldset {
    margin-top: 45px;
    border: 0 none;
    legend {
        margin-bottom: 30px;
        font-weight: bold;
    }
}

/*CUSTOM RADIO*/
.radio-label {
    position: relative;
    padding-left: 20px;
    margin-right: 25px;
    // color:#999999;
    cursor: pointer;
}

/* Hide the browser's default radio button */
.radio-label input {
    appearance: none;
}

/* Create a custom radio button */
.checkmark {
    position: absolute;
    top: 3px;
    left: 0;
    right: 10px;
    height: 12px;
    width: 12px;
    background-color: $color-light;
    border: solid 1px $color-main;
    border-radius: 50%;
}

/* On mouse-over, add a grey background color */
.radio-label:hover input ~ .checkmark {
    background-color: $color-main;
}

/* When the radio button is checked, add a blue background */
.radio-label input:checked ~ .checkmark {
    background-color: $color-light;
}

/* Create the indicator (the dot/circle - hidden when not checked) */
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

/* Show the indicator (dot/circle) when checked */
.radio-label input:checked ~ .checkmark:after {
    display: block;
}

/* Style the indicator (dot/circle) */
.radio-label .checkmark:after {
    top: 2px;
    left: 2px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: $color-main;
}

/*CUSTOM CHECKBOX*/
.ck-button {
    margin-bottom: 45px;
}
.ck-button label {
    margin-right: 10px;
    &:last-child {
        margin-right: 0;
    }
}

.ck-button label span {
    padding: 10px;
    margin-right: 10px;
    border: 1px solid $color-dark;
    border-radius: 40px;
    cursor: pointer;
    &:last-child {
        margin-right: 0;
    }
    &:hover {
        color: $color-light;
        border-color: $color-main;
        background-color: $color-main;
    }
}

.ck-button label input {
    position: absolute;
    left: -20px;
}

.ck-button input:checked + span {
    background-color: $color-main;
    color: $color-light;
    border-color: $color-light;
}

/*CUSTOM FORM*/
.swap {
    visibility: hidden;
}

.swap:after {
    cursor: pointer;
    visibility: visible;
    content: "";
    font-size: calc(var(--swap-size) - 2.5rem);
    display: inline-block;
    width: var(--swap-size);
    height: var(--swap-size);
    padding: 0.5rem;
    border: 1px solid $color-main;
    border-radius: 0.4em;
    background-color: $color-light;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swap:checked:after {
    content: "";
    background-color: $color-main;
}

@media screen and (min-width: 800px) {
    .newsletter input[type="text"] {
        width: 430px;
    }
    .form-group {
        align-items: center;
        margin-left: 15px;
        margin-right: 15px;
    }
}

@media screen and (max-width: 799px) {
    input[type="text"],
    input[type="submit"] {
        display: block;
        margin-left: auto;
        margin-right: auto;
    }

    form,
    input[type="text"] {
        width: 100%;
        max-width: 100%;
    }

    input[type="submit"] {
        margin-top: 25px;
    }

    .form-row,
    .form-group {
        flex-direction: column;
    }

    .form-group {
        margin-bottom: 25px;
        &:last-child {
            margin-bottom: 0;
        }
    }

    .ck-button label span {
        display: inline-block;
        margin-bottom: 5px;
    }
}