#regForm {
    background: #fff;
    margin: 25px auto;
    padding: 40px 0px;
    width: 98%;
    min-width: 300px;
}

h1 {
    text-align: center;
}

input {
    padding: 10px;
    width: 100%;
    font-size: 17px;
    font-family: "Helvetica";
    border: 1px solid #aaaaaa;
}


/* Mark input boxes that gets an error on validation: */

input.invalid {
    background-color: #ffdddd;
}


/* Hide all steps by default: */

.tab {
    display: none;
}

button {
    background-color: #0e2a52;
    color: #ffffff;
    border: none;
    padding: 5px 20px;
    font-size: 17px;
    font-family: Raleway;
    cursor: pointer;
    border-radius: 4px
}

#prevBtn {
    background-color: #bbbbbb;
}


/* Make circles that indicate the steps of the form: */

.step {
    height: 15px;
    width: 15px;
    margin: 0 2px;
    background-color: #bbbbbb;
    border: none;
    border-radius: 50%;
    display: inline-block;
    opacity: 0.5;
}

.step.active {
    opacity: 1;
}


/* Mark the steps that are finished and valid: */

.step.finish {
    background-color: #4CAF50;
}