.home {
    background-image: url(../assets/back.jpg);
    background-size: 100% 100%;
    /*按比例缩放*/
    background-repeat: no-repeat;
    /*还有repeat-x,y等*/
    width: 100%;
    height: calc(100vh - 0px);
    position: relative;
}

.content {
    width: 715px;
    height: 376px;
    border-radius: 3px;
    background-color: #ebecef;
    position: absolute;
    right: 8%;
    top: 24%;
}

<template>
  <div class="home">
    <div class="content">
    </div> 
  </div>
</template>

<style lang="scss" scoped>
@import "./object.scss";
</style>