Close button in pure css

CSS Close Symbol

.close-button {
    position: absolute;
    top: 0;
    right: 0;
    width: 48px;
    height: 48px;
    background: #41415B;
    border-radius: 48px;
    margin-top: -24px;

    &:before {
        background-color: #FFFFFF;
        content: "";
        display: block;
        left: 50%;
        position: absolute;
        top: 50%;
        width: 1px;
        height: 16px;
        -webkit-transform: translateX(-50%) translateY(-50%) rotate(45deg);
        transform: translateX(-50%) translateY(-50%) rotate(45deg);
        -webkit-transform-origin: center center;
        transform-origin: center center;
    }
    &:after {
        background-color: #FFFFFF;
        content: "";
        display: block;
        left: 50%;
        position: absolute;
        top: 50%;
        width: 16px;
        height: 1px;
        -webkit-transform: translateX(-50%) translateY(-50%) rotate(45deg);
        transform: translateX(-50%) translateY(-50%) rotate(45deg);
        -webkit-transform-origin: center center;
        transform-origin: center center;
    }
}