.validation-message {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 80%;
    color: #dc3545;
}

.invalid ~ .validation-message {
    display: block;
}

.textarea-form {
    width: 100%;
    height: 250px;
}

.form-control.invalid {
    border-color: #dc3545;
    padding-right: calc(1.5em + 0.75rem);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

    .form-control.invalid:focus {
        border-color: #dc3545;
        box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
    }

textarea.form-control.invalid {
    padding-right: calc(1.5em + 0.75rem);
    background-position: top calc(0.375em + 0.1875rem) right calc(0.375em + 0.1875rem);
}

.form-check-input.invalid ~ .form-check-label {
    color: #dc3545;
}

.form-check-input.invalid ~ .validation-message {
    display: block;
}


/* Simple setup for this demo */

.mdl-card {
    width: 550px;
    min-height: 0;
    margin: 10px auto;
}

.mdl-card__supporting-text {
/*    width: 100%;*/
    padding: 0;

    display: block;
    width: 100%;
    overflow-x: auto;
}

.mdl-stepper-horizontal-alternative .mdl-stepper-step {
    width: 10%;
    /* 100 / no_of_steps */
}


/* Begin actual mdl-stepper css styles */

.mdl-stepper-horizontal-alternative {
    /*    display: table;
    width: 100%;
    margin: 0 auto;
*/
    display: table;
    width: 100%;
    overflow-x: auto;
}

    .mdl-stepper-horizontal-alternative .mdl-stepper-step {
        display: table-cell;
        position: relative;
        padding: 24px;
    }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step:active {
            background-color: rgba(0, 0, 0, .06);
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step:active {
            border-radius: 15% / 75%;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step:first-child:active {
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step:last-child:active {
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
        }


        .mdl-stepper-horizontal-alternative .mdl-stepper-step:first-child .mdl-stepper-bar-left,
        .mdl-stepper-horizontal-alternative .mdl-stepper-step:last-child .mdl-stepper-bar-right {
            display: none;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-circle {
            width: 24px;
            height: 24px;
            margin: 0 auto;
            background-color: #9E9E9E;
            border-radius: 50%;
            text-align: center;
            line-height: 2em;
            font-size: 12px;
            color: white;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.active-step .mdl-stepper-circle {
            background-color: #007EA4;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.step-done .mdl-stepper-circle:before {
            content: "\2713";
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.step-done .mdl-stepper-circle *,
        .mdl-stepper-horizontal-alternative .mdl-stepper-step.editable-step .mdl-stepper-circle * {
            display: none;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.editable-step .mdl-stepper-circle {
            -moz-transform: scaleX(-1);
            /* Gecko */
            -o-transform: scaleX(-1);
            /* Opera */
            -webkit-transform: scaleX(-1);
            /* Webkit */
            transform: scaleX(-1);
            /* Standard */
        }

            .mdl-stepper-horizontal-alternative .mdl-stepper-step.editable-step .mdl-stepper-circle:before {
                content: "\270E";
            }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-title {
            margin-top: 16px;
            font-size: 14px;
            font-weight: normal;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-title,
        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-optional {
            text-align: center;
            color: rgba(0, 0, 0, .26);
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.active-step .mdl-stepper-title {
            font-weight: 500;
            color: rgba(0, 0, 0, .87);
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.active-step.step-done .mdl-stepper-title,
        .mdl-stepper-horizontal-alternative .mdl-stepper-step.active-step.editable-step .mdl-stepper-title {
            font-weight: 300;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-optional {
            font-size: 12px;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step.active-step .mdl-stepper-optional {
            color: rgba(0, 0, 0, .54);
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-bar-left,
        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-bar-right {
            position: absolute;
            top: 36px;
            height: 1px;
            border-top: 1px solid #BDBDBD;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-bar-right {
            right: 0;
            left: 50%;
            margin-left: 20px;
        }

        .mdl-stepper-horizontal-alternative .mdl-stepper-step .mdl-stepper-bar-left {
            left: 0;
            right: 50%;
            margin-right: 20px;
        }