* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  ul,ol,li {
    list-style: none;
  }
  a{
    text-decoration: none;
    color:inherit;
  }
  img{
    vertical-align: top;
  }
  button {
    cursor: pointer;
    border: none;
    background: transparent;
  }