.container {
    height: 500px;
    width: 360px;
    border: 1px solid black;
    padding: 1em;
}

.w-100 {
    width: 100%;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: center;
}

.input-group {
    display: flex;
}

.d-flex {
    display: flex;
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Inter", sans-serif;
    color: #000021;
    font-size: calc(1em + 0.5vw);
    background-color: #e6e6ef;
}

#regForm {
    background-color: mix(rgb(53, 52, 52), #150c36, 60%) !important;
    margin: 100px auto;
    font-family: Raleway;
    padding: 40px;
    height: auto;
    width: 500px;
    min-width: 300px;
    /* border: 0.3px solid #00005c; */
    border-radius: 12px;
    box-shadow: 6px 6px 12px #d9d9d9, -6px -6px 12px #bbb8dd;
}

h1 {
    text-align: center;
}

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


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

input.invalid {
    background-color: #ebb2b2;
}


/* Hide all steps by default: */

.tab {
    display: none;
}

button {
    background-color: #0a885a;
    color: #ffffff;
    border: none;
    padding: 10px 20px;
    font-size: 17px;
    font-family: Raleway;
    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: #424242;
    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: #0a885a;
}

label {
    display: flex;
    cursor: pointer;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    margin-bottom: 0.375em;
    /* Accessible outline */
    /* Remove comment to use */
    /*
        &:focus-within {
                outline: .125em solid $primary-color;
        }
    */
}

label input {
    position: absolute;
    left: -9999px;
}

label input:checked+span {
    background-color: #d6d6e5;
}

label input:checked+span:before {
    box-shadow: inset 0 0 0 0.4375em #00005c;
}

label span {
    display: flex;
    align-items: center;
    padding: 0.375em 0.75em 0.375em 0.375em;
    border-radius: 99em;
    transition: 0.25s ease;
}

label span:hover {
    background-color: #d6d6e5;
}

label span:before {
    display: flex;
    flex-shrink: 0;
    content: "";
    background-color: #fff;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    margin-right: 0.375em;
    transition: 0.25s ease;
    box-shadow: inset 0 0 0 0.125em #00005c;
}


/* select */

.custom-select {
    position: relative;
    font-family: Arial;
}

.custom-select select {
    display: none;
    /*hide original SELECT element:*/
}

.select-selected {
    background-color: #00005c;
}


/*style the arrow inside the select element:*/

.select-selected:after {
    position: absolute;
    content: "";
    top: 14px;
    right: 10px;
    width: 0;
    height: 0;
    border: 6px solid transparent;
    border-color: #fff transparent transparent transparent;
}


/*point the arrow upwards when the select box is open (active):*/

.select-selected.select-arrow-active:after {
    border-color: transparent transparent #fff transparent;
    top: 7px;
}


/*style the items (options), including the selected item:*/

.select-items div,
.select-selected {
    color: #ffffff;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-color: transparent transparent rgba(0, 0, 0, 0.1) transparent;
    cursor: pointer;
    user-select: none;
}


/*style items (options):*/

.select-items {
    position: absolute;
    background-color: #00005c;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
}


/*hide the items when the select box is closed:*/

.select-hide {
    display: none;
}

.select-items div:hover,
.same-as-selected {
    background-color: rgba(0, 0, 0, 0.1);
}