.MessageBox-Close {
    position: absolute;
    top: 9px;
    right: 9px;

    width: var(--message-box-close-width);
    height: var(--message-box-close-height);
    margin: 0;
    padding: 0;

    cursor: pointer;

    border: 0;
    outline: 0;
    background: none;

    transform: translateZ(0);

    touch-action: manipulation;
}

.MessageBox-Close svg {
    opacity: .25;

    transition: opacity 100ms;
}

.MessageBox-Close:hover svg {
    opacity: .7;
}

.MessageBox-Close::after {
    position: absolute;
    bottom: 100%;
    left: 9px;

    display: none;

    margin-bottom: 13px;
    padding: 5px 10px;

    font-family: var(--control-font-family);
    font-size: var(--message-box-close-fontSize);
    line-height: var(--message-box-close-lineHeight);
    content: attr(aria-label);

    border-radius: var(--message-box-hint-borderRadius);

    transition: opacity 100ms;
    transform: translateX(-50%);

    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.MessageBox-Close:hover::after {
    display: block;
}

.MessageBox.MessageBox_hasClose .MessageBox-Content :not(.MessageBox-TextWrap) .MessageBox-Text,
.MessageBox.MessageBox_hasClose .MessageBox-Content .MessageBox-TextWrap {
    margin-right: var(--message-box-close-indentRight);
}