body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    padding: 40px;
}

.container {
    max-width: 23rem;
    margin: 0 auto;
}

h2 {
    font-weight: 400;
    margin-bottom: 20px;
}


/* .excludeContainer */
.excludeContainer {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.excludeContainer span {
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin: 4px;
    border-radius: 50%;
    background-color: #e0e0e0;
    /* Light grey */
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s;
}

.excludeContainer span.selected {
    background-color: red;
    color: #ffffff;
}


/* .resultsContainer */
.resultsContainer p span {
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin: 4px;
    border-radius: 50%;
    background-color: #3498db;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s;
}


.result {
    margin-top: 20px;
    font-weight: bold;
}

mwc-button {
    width: 100%;
}


/* .card */
.card {
    background-color: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card .options {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.card .options .form-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 1rem;
}

.card .options .form-group label {
    width: 50%;
}


/* .lds-ellipsis */
.lds-ellipsis {
    display: inline-block;
    position: relative;
    width: 80px;
    height: 80px;
}

.lds-ellipsis div {
    position: absolute;
    top: 33px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #999;
    animation-timing-function: cubic-bezier(0, 1, 1, 0);
}

.lds-ellipsis div:nth-child(1) {
    left: 8px;
    animation: lds-ellipsis1 0.6s infinite;
}

.lds-ellipsis div:nth-child(2) {
    left: 8px;
    animation: lds-ellipsis2 0.6s infinite;
}

.lds-ellipsis div:nth-child(3) {
    left: 32px;
    animation: lds-ellipsis2 0.6s infinite;
}

.lds-ellipsis div:nth-child(4) {
    left: 56px;
    animation: lds-ellipsis3 0.6s infinite;
}

@keyframes lds-ellipsis1 {
    0% {
        transform: scale(0);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes lds-ellipsis3 {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(0);
    }
}

@keyframes lds-ellipsis2 {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(24px, 0);
    }
}