body {
    margin: 0; /* 移除页面的默认边距 */
    background-color: rgb(239, 214, 214);
    padding: 0; /* 移除外部的padding */
  }
.banner{
    height: 160px;
    width: 100%;
    background-image: url("../../../../../home/backgroundPhotos/banner.png");
}
.main{
    min-height: 75vh;
    margin: 0 10vw;
}

::selection{
    background-color: tomato;
    color: white;
  }