XJC/scss/mdb/free/_forms-basic.scss

// Forms basic
// Text inputs
input[type=text],
input[type=password],
input[type=email],
input[type=url],
input[type=time],
input[type=date],
input[type=datetime-local],
input[type=tel],
input[type=number],
input[type=search-md],
input[type=search],
textarea.md-textarea {
    // General Styles
    background-color: transparent;
    border: none;
    border-bottom: 1px solid $input-border-color;
    border-radius: 0;
    outline: none;
    height: 2.1rem;
    width: 100%;
    font-size: $input-font-size;
    box-shadow: none;
    box-sizing: content-box;
    @include transition(all .3s);

    // Disabled & readonly
    &:disabled, &[readonly="readonly"] {
        color: $input-disabled-color;
        border-bottom: 1px dotted $input-disabled-color;
        background-color: transparent;
        + label {
            color: $input-disabled-color;
            background-color: transparent;
        }
    }
    // Focused input style
    &:focus:not([readonly]) {
        border-bottom: 1px solid $input-focus-color;
        box-shadow: 0 1px 0 0 $input-focus-color;
        // Focused label style
        + label {
            color: $input-focus-color;
        }
    }

    // Valid input style
    &.valid, &:focus.valid {
        border-bottom: 1px solid $input-success-color;
        box-shadow: 0 1px 0 0 $input-success-color;
    }

    &.valid + label:after, &:focus.valid + label:after {
        content: attr(data-success);
        color: $input-success-color;
        opacity: 1;
    }
    // Invalid input style
    &.invalid, &:focus.invalid {
        border-bottom: 1px solid $input-error-color;
        box-shadow: 0 1px 0 0 $input-error-color;
    }
    &.invalid + label:after, &:focus.invalid + label:after {
        content: attr(data-error);
        color: $input-error-color;
        opacity: 1;
    }
    // Form message shared styles
    + label:after {
        display: block;
        content: "";
        position: absolute;
        top: 65px;
        opacity: 0;
        transition: .2s opacity ease-out, .2s color ease-out;
    }

    &.input-alternate {
        padding: 0 15px;
        height: 2.1rem;
        box-shadow: 0 1px 3px 0 rgba(0, 0, 0, .2), 0 1px 1px 0 rgba(0, 0, 0, .14), 0 2px 1px -1px rgba(0, 0, 0, .12);
        font-size: 0.875rem;
        border-bottom: 0;
        transition: none !important;
        &:hover,
        &:focus {
            box-shadow: 0 3px 8px 0 rgba(0, 0, 0, .2), 0 0 0 1px rgba(0, 0, 0, .08) !important;
            border-bottom: 0;
        }
    }

}
// Input with label
.form-control {
    padding: 0;
    padding-bottom: 0.6rem;
    padding-top: 0.5rem;
    font-size: 1rem;
    line-height: 1.5;
    background-color: transparent;
    background-image: none;
    border-radius: 0;
    margin-top: 0.2rem;
    margin-bottom: 1rem;
    &:focus {
        background: transparent;
    }
    &:disabled,
    &[readonly] {
        background-color: transparent;
        border-bottom: 1px solid $form-control-border-color;
    }
}
// Input + label wrapper styles
.md-form {
    position: relative;
    margin-bottom: 1.5rem;
    label {
        @include transition(.2s ease-out);
        color: #757575;
        position: absolute;
        top: 0.8rem;
        left: 0;
        font-size: 1rem;
        cursor: text;
        &.active {
            @include transform(translateY(-140%));
            font-size: $label-font-size;
        }
    }
    // Icon
    .prefix {
        @include transition(color .2s);
        position: absolute;
        width: 3rem;
        font-size: 2rem;
        ~ input, ~ textarea {
            margin-left: 3rem;
            width: 92%;
            width: calc(100% - 3rem);
        }
        ~ textarea {
            padding-top: .8rem;
        }
        ~ label {
            margin-left: 3rem;
        }
        &.active {
            color: $input-focus-color;
        } 
    }

    @media #{$medium-and-down} {
        .prefix ~ input {
            width: 86%;
            width: calc(100% - 3rem);
        }
    }
    @media #{$small-and-down} {
        .prefix ~ input {
            width: 80%;
            width: calc(100% - 3rem);
        }
    }
    .btn {
        margin-bottom: 1.5rem;
    }

    &.form-sm {
        input {
            padding-bottom: 0.2rem;
            padding-top: 0.2rem;
            font-size: 0.8rem;
            line-height: 0.5;
        }
        label {
            font-size: 0.9rem;
        }
        .prefix {
            font-size: 1.5rem;
            top: 0.4rem;
        }
        .prefix ~ input, .prefix ~ textarea, .prefix ~ label  {
            margin-left: 2.2rem;
        }
    }

    &.input-group {
        padding-left: 1rem;
        @include placeholder {
            color: #999;
            padding-top: 2px;
        }
    }

}

.form-group {
    display:block;
}

.form-inline {
    fieldset {
        margin-right: 1.5rem;
    }
    .form-group {
        margin-right: 2rem;
    }
}   
// Default textarea
textarea {
    width: 100%;
    height: 3rem;
    background-color: transparent;
    &.md-textarea {
        overflow-y: hidden;
        padding: 1.6rem 0;
        resize: none;
        min-height: 3rem;
    }
}

// For textarea autoresize
.hiddendiv {
    display: none;
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    padding-top: 1.2rem;
}


i {
    &.btn-primary {
        background: $primary-color!important;
    }
    &.btn-default {
        background: $default-color!important;
    }
    &.btn-success {
        background: $success-color!important;
    }
    &.btn-info {
        background: $info-color!important;
    }
    &.btn-warning {
        background: $warning-color-dark!important;
    }
    &.btn-danger {
        background: $danger-color-dark!important;
    }
}

.orange-gradient{
    background: linear-gradient(40deg, #FFD86F, #FC6262);
}