.mistake-banner {
    position: fixed;
    background: #161916;
    top: 250px;
    right: 15px;
    margin-top: -63px;
    margin-left: -59px;
    z-index: 1;
    border-radius: 5px;
    padding: 12px;
}

.mistake-banner p {
    font-size: 12px;
    color: #fff;
    margin-bottom: 10px;
}

.mistake-banner p:last-child {
    margin-bottom: 0;
}

.mistake-banner .mistake-banner-gray {
    color: #ADB2AE;
}

.mistake-banner .short-cut-key {
    background: #6F7570;
    color: #fff;
    display: inline-block;
    padding: 4px 5px;
    border-radius: 3px;
    vertical-align: middle;
}

.mistake-banner-close {
    position: absolute;
    right: 9px;
    top: 9px;
    width: 20px;
    height: 20px;
    background: #6F7570;
    border-radius: 50%;
    transition: background ease 0.25s;
}

.mistake-banner-close:hover {
    background: #555b55;
}

.mistake-banner-close:active:before, .mistake-banner-close:active:after {
    margin-top: -4px;
}

.mistake-banner-close:hover:before, .mistake-banner-close:hover:after {
    background-color: #fff;
}

.mistake-banner-close:before, .mistake-banner-close:after {
    transition: background-color ease 0.25s;
    left: 50%;
    top: 50%;
    margin-top: -5px;
    margin-left: -1px;
    position: absolute;
    content: ' ';
    height: 10px;
    width: 2px;
    background-color: #161916;
}
.mistake-banner-close:before {
    transform: rotate(45deg);
}
.mistake-banner-close:after {
    transform: rotate(-45deg);
}

@media(max-width:1290px) {
    .mistake-banner {
        display: none;
    }
}