/* Mark input boxes that gets an error on validation: */
input.invalid {
    background-color: #ffdddd;
}

/* Hide all steps by default: */
.tab {
    display: none;
}

/* Make circles that indicate the steps of the form: */
.step {
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #302e60;
    border: none;
    border-radius: 50%;
    display: inline-block;
    opacity: 0.5;
}

    /* Mark the active step: */
    .step.active {
        opacity: 1;
    }

    /* Mark the steps that are finished and valid: */
    .step.finish {
        background-color: #302e60;
    }

.heading-1 {
    position: relative;
    text-align: center 
}

    .heading-1:before {
        content: "";
        display: block;
        border-top: solid 2px #bebebe;
        width: 100%;
        height: 2px;
        position: absolute;
        top: 50%;
        z-index: 0;
    }

    .heading-1 span {
        background: #f2f2f2;
        padding: 0 10px;
        position: relative;
        z-index: 1;
    }