html, body {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1d1d1d;
    user-select: none;
}
#form-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-bottom: 50px;
}
form {
    width: 100%;
}
form #form-title {
    margin-top: 0;
    text-align: center;
}
form #debt-amount-slider {
    display: flex;
    flex-direction: row;
    align-content: stretch;
    position: relative;
    width: 100%;
    height: 50px;
    user-select: none;
}
form #debt-amount-slider::before {
    content: " ";
    position: absolute;
    height: 2px;
    width: 100%;
    width: calc(100% * (4 / 5));
    top: 50%;
    pointer-events: none;
    user-select: none;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgb(255, 255, 255);
}
form #debt-amount-slider input, form #debt-amount-slider label {
    box-sizing: border-box;
    flex: 1;
    user-select: none;
    cursor: pointer;
    pointer-events: none;
    user-select: none;
}
form #debt-amount-slider label {
    display: inline-block;
    position: relative;
    width: 20%;
    height: 100%;
    pointer-events: none;
    user-select: none;
    user-select: none;
}
form #debt-amount-slider label::before {
    content: attr(data-debt-amount);
    position: absolute;
    left: 50%;
    padding-top: 10px;
    transform: translate(-50%, 45px);
    letter-spacing: 0.4px;
    white-space: nowrap;
    opacity: 0.85;
    pointer-events: none;
    user-select: none;
    transition: all 0.15s ease-in-out;
}
form #debt-amount-slider label::after {
    content: " ";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: rgb(255, 255, 255);
    box-shadow: rgba(0, 0, 0, 0.05) 0px 0px 0px 1px, rgb(209, 213, 219) 0px 0px 0px 1px inset;
    border-radius: 50%;
    pointer-events: none;
    user-select: none;
    z-index: 1;
    user-select: none;
    pointer-events: none;
    transition: all 0.15s ease-in-out;
}
form #debt-amount-slider label:hover::after {
    transform: translate(-50%, -50%) scale(1.25);
}
form #debt-amount-slider input {
    display: none;
}
form #debt-amount-slider input:checked + label::before {
    opacity: 1;
}
form #debt-amount-slider input:checked + label::after {
    border-width: 0px;
    transform: translate(-50%, -50%) scale(0.75);
}
form #debt-amount-slider input:checked ~ #debt-amount-pos {
    opacity: 1;
}
form #debt-amount-slider input:checked:nth-child(1) ~ #debt-amount-pos {
    left: 10%;
}
form #debt-amount-slider input:checked:nth-child(3) ~ #debt-amount-pos {
    left: 30%;
}
form #debt-amount-slider input:checked:nth-child(5) ~ #debt-amount-pos {
    left: 50%;
}
form #debt-amount-slider input:checked:nth-child(7) ~ #debt-amount-pos {
    left: 70%;
}
form #debt-amount-slider input:checked:nth-child(9) ~ #debt-amount-pos {
    left: 90%;
}
form #debt-amount-slider #debt-amount-pos {
    display: block;
    position: absolute;
    user-select: none;
    pointer-events: none;
    top: 50%;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: all 0.1s ease-in-out;
    background-color: #ffffff;
    box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 4px, rgba(0, 0, 0, 0.3) 0px 7px 13px -3px, rgba(0, 0, 0, 0.2) 0px -3px 0px inset;
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: 2;
}

form:valid #debt-amount-slider input + label::before {
    transform: translate(-50%, 45px) scale(1.2);
    transition: all 0.15s linear;
    color: rgb(0, 0, 0);
}
form:valid #debt-amount-slider input:checked + label::before {
    transform: translate(-50%, 45px) scale(1.2);
    font-weight: bolder;
    transition: all 0.15s linear;
    color: rgb(0, 0, 0);
}
form + button {
    display: block;
    position: relative;
    margin: 56px auto 0;
    padding: 10px 20px;
    appearance: none;
    transition: all 0.15s ease-in-out;
    background: #fff;
    border-radius: 8px;
    outline: 0;
    user-select: none;
    cursor: pointer;
}
form + button:hover {
    background: #000;
    color: #fff;
}
form + button:hover:active {
    transform: scale(0.9);
}
form + button:focus {
    background: #4caf50;
    border-color: #4caf50;
    color: #fff;
    pointer-events: none;
}
form + button:focus::before {
    animation: spin 1s linear infinite;
}
form + button::before {
    display: inline-block;
    width: 0;
    opacity: 0;
    content: "\f3f4";
    margin-right: 0;
    transform: rotate(0deg);
}
form:invalid + button {
    pointer-events: none;
    opacity: 0.25;
}
@keyframes spin {
    from {
        transform: rotate(0deg);
        width: 24px;
        opacity: 1;
        margin-right: 12px;
   }
    to {
        transform: rotate(360deg);
        width: 24px;
        opacity: 1;
        margin-right: 12px;
   }
}