html{
    background: #E5E5E5;
}

.error404_logo{
    margin-right: auto;
    margin-left: auto;
    margin-top: 100px;
    margin-bottom: 80px;
    text-align: center;
}

.error404_content{
    background: #FFFFFF;
    margin-right: auto;
    margin-left: auto;
    padding: 40px 60px;
    box-shadow: 1px 2px 18px rgba(0, 0, 0, 0.1);
    border-radius: 24px;

    font-family: Noto Sans JP;
    font-style: normal;
    font-size: 15px;
    line-height: 35px;
    color: #8E8C85;
    width: 80%;

}

.error404_title{
    font-weight: bold;
    font-size: 24px;
}