::selection {
    color: white;
    background: #E84C1C;
}
:root {
    --pure-material-primary-rgb: 33, 150, 243;
    --pure-material-onsurface-rgb: 0,0,0;
}
.btn {
    position: relative;
    display: block;
    margin: 3px auto;
    padding: 0;
    overflow: hidden;
    border-width: 0;
    outline: none;
    border-radius: 2px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .6);
    background-color: #2ecc71;
    color: #ecf0f1;
    transition: background-color .3s;
}

    .btn:hover, .btn:focus {
        background-color: #27ae60;
        color: white;
    }

    .btn > * {
        position: relative;
    }

    .btn span {
        display: block;
        padding: 10px 105px;
    }

    .btn:before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        display: block;
        width: 0;
        padding-top: 0;
        border-radius: 100%;
        background-color: rgba(236, 240, 241, .3);
        -webkit-transform: translate(-50%, -50%);
        -moz-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        -o-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
    }

    .btn:active:before {
        width: 120%;
        padding-top: 120%;
        transition: width .2s ease-out, padding-top .2s ease-out;
    }

    .btn.orange {
        background-color: #333333;
    }

        .btn.orange:hover, .btn.orange:focus {
            background-color: #808080;
        }

.pure-material-checkbox {
    z-index: 0;
    position: relative;
    display: inline-block;
    color: rgba(0,0,0, 0.87);
    font-family: var(--pure-material-font, "Roboto", "Segoe UI", BlinkMacSystemFont, system-ui, -apple-system);
    font-size: 16px;
    line-height: 1.5;
}

    /* Input */
    .pure-material-checkbox > input {
        appearance: none;
        -moz-appearance: none;
        -webkit-appearance: none;
        z-index: -1;
        position: absolute;
        left: -10px;
        top: -8px;
        display: block;
        margin: 0;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        background-color: rgba(0,0,0, 0.6);
        box-shadow: none;
        outline: none;
        opacity: 0;
        transform: scale(1);
        pointer-events: none;
        transition: opacity 0.3s, transform 0.2s;
    }

    /* Span */
    .pure-material-checkbox > span {
        display: inline-block;
        width: 100%;
        cursor: pointer;
    }

        /* Box */
        .pure-material-checkbox > span::before {
            content: "";
            display: inline-block;
            box-sizing: border-box;
            margin: 3px 11px 3px 1px;
            border: solid 2px; /* Safari */
            border-color: rgba(0,0,0, 0.6);
            border-radius: 2px;
            width: 18px;
            height: 18px;
            vertical-align: top;
            transition: border-color 0.2s, background-color 0.2s;
        }

        /* Checkmark */
        .pure-material-checkbox > span::after {
            content: "";
            display: block;
            position: absolute;
            top: 4px;
            left: 2px;
            width: 10px;
            height: 5px;
            border: solid 2px transparent;
            border-right: none;
            border-top: none;
            transform: translate(3px, 4px) rotate(-45deg);
        }

/* Checked, Indeterminate */


    .pure-material-checkbox > input:checked,
    .pure-material-checkbox > input:indeterminate {
        background-color: rgba(33, 150, 243,0.5);
    }

        .pure-material-checkbox > input:checked + span::before,
        .pure-material-checkbox > input:indeterminate + span::before {
            border-color: rgba(33, 150, 243,0.5);
            background-color: rgba(33, 150, 243,0.5);
        }

        .pure-material-checkbox > input:checked + span::after,
        .pure-material-checkbox > input:indeterminate + span::after {
            border-color: rgba(33, 150, 243,0.5);
        }

    .pure-material-checkbox > input:indeterminate + span::after {
        border-left: none;
        transform: translate(4px, 3px);
    }

/* Hover, Focus */
.pure-material-checkbox:hover > input {
    opacity: 0.04;
}

.pure-material-checkbox > input:focus {
    opacity: 0.12;
}

.pure-material-checkbox:hover > input:focus {
    opacity: 0.16;
}

/* Active */
.pure-material-checkbox > input:active {
    opacity: 1;
    transform: scale(0);
    transition: transform 0s, opacity 0s;
}

    .pure-material-checkbox > input:active + span::before {
        border-color: rgba(33, 150, 243,0.5);
    }

    .pure-material-checkbox > input:checked:active + span::before {
        border-color: transparent;
        background-color: rgba(33, 150, 243, 0.6);
    }

/* Disabled */
.pure-material-checkbox > input:disabled {
    opacity: 0;
}

    .pure-material-checkbox > input:disabled + span {
        color: rgba(33, 150, 243, 0.38);
        cursor: initial;
    }

.pure-material-checkbox > input:disabled + span::before {
    border-color: currentColor;
}

.pure-material-checkbox > input:checked:disabled + span::before,
.pure-material-checkbox > input:indeterminate:disabled + span::before {
    border-color: transparent;
    background-color: currentColor;
}