.crash  {
    margin-top: 140px;
    margin-bottom: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 50px 0 80px;
    position: relative;
    max-width: 470px;
}
.crash span {
    color: #000;
    font-size: 24px;
    line-height: 40px;
    margin-bottom: 25px;
    font-weight: 900;
}
.crash h1 {
    line-height: 40px;
    margin-bottom: 40px;
    letter-spacing: 2px;
}
.crash .up-l {
    width: 15px;
    height: 15px;
    border-right: 2px solid #191919;
    border-bottom: 2px solid #191919;
    position: absolute;
    top: 0;
    left: 0;
}
.crash .up-r {
    width: 15px;
    height: 15px;
    border-left: 2px solid #191919;
    border-bottom: 2px solid #191919;
    position: absolute;
    top: 0;
    right: 0;
}
.crash .bottom-l {
    width: 15px;
    height: 15px;
    border-right: 2px solid #191919;
    border-top: 2px solid #191919;
    position: absolute;
    bottom: 0;
    left: 0;
}
.crash .bottom-r {
    width: 15px;
    height: 15px;
    border-left: 2px solid #191919;
    border-top: 2px solid #191919;
    position: absolute;
    bottom: 0;
    right: 0;
}