minio/browser/app/less/inc/form.less

// Form Group
.form-group {
    position: relative;

    &:not(:only-child):not(:last-child) {
        margin-bottom: 1.25rem;
    }

    & > label {
        font-size: @font-size-extra-small;
        font-weight: @font-weight-bold;
        text-transform: uppercase;
    }
}

.form-group--centered {
    .form-group__field {
        text-align: center;
    }
}


// Field
.form-group__field {
    border: 0;
    border-bottom: 1px solid @input-border-color;
    color: @input-color;
    width: 100%;
    font-size: @font-size-small;
    background-color: @input-bg;
    padding: 0 1px;
    height: @input-height;
    outline: 0;
    box-shadow: none;
    .placeholder(@text-muted-color);

    &:focus {
        & ~ .form-group__helper {
            width: 100%;
        }
    }
}

.form-group__field--static {
    border: 0;
}


// Helper (blue bar)
.form-group__helper {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background-color: @blue;
    z-index: 1;
    .transition(width);
    .transition-duration(300ms);
}


// Form group with icons and addons
.form-group--icon {
    .form-group__field {
        padding-left: 2.4rem;
    }
}

.form-group__icon {
    font-size: 1.15rem;
    color: @headings-color;
    position: absolute;
    bottom: 0.6rem;
    left: 0.2rem;
}

.form-group__addon {
    position: absolute;
    bottom: 0;
    right: 0;
    height: @input-height;
    border: 1px solid @input-border-color;
    width: 2.5rem;
    text-align: center;
    line-height: 2.5rem;
    background-color: @white;
    font-size: 1.25rem;

    &.active {
        color: @green;
    }
}


// Select
select {
    background-color: transparent;
    .appearance(none);
    border-radius: 0;
    background: url(../../img/icons/select-caret.svg) no-repeat bottom 5px right 1px;
}