* {
    box-sizing: border-box;
}

#regForm {
    background-color: #fafafa;
    /*margin: 100px auto;*/
    font-family: sans-serif;
    padding: 40px;
    width: 70%;
    min-width: 400px;
}
.btn-prev {
    padding: 15px 25px;
    border-radius: 27.7px;
    background-color: #6f6e6e;
    font-size: 16px;
    font-weight: 600;
    font-stretch: normal;
    font-style: normal;
    line-height: normal;
    letter-spacing: 1.28px;
    text-align: left;
    color: #fff;
    text-decoration: none;
    text-align: center;
    transition: all 250ms ease-out;
    float:right;
}
/*.btn-next {
    padding: 15px 25px;
    border-radius: 27.7px;
    background-color: #6f6e6e;
    font-size: 16px;
    font-weight: 600;
    font-stretch: normal;
    font-style: normal;
    line-height: normal;
    letter-spacing: 1.28px;
    text-align: left;
    color: #fff;
    text-decoration: none;
    text-align: center;
    transition: all 250ms ease-out;
    float: right;
}*/

    .btn-content:hover {
        background-color: #2c2b32;
        color: #fff;
    }

h1 {
    text-align: center;
}

input {
    padding: 10px;
    width: 100%;
    font-size: 17px;
    font-family: sans-serif;
    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: #e20613;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    font-size: 17px;
    font-family: sans-serif;
    cursor: pointer;
}

    button:hover {
        opacity: 0.8;
    }

#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: black;
    }