* {
    padding: 0;margin: 0;
}
:root {
    --screen-width: 100vw;
    --screen-height: 100vh;
    --screen-background: black;
}

body {
    width: 100%;
}
div {
    margin: 0;
    padding: 0;
}
li{
    display: block;
}
/*bootstrap样式格式化*/
.row {
    margin-right: 0;
    margin-left: 0;
}

.border {
    width: 100%;
    border: 1px solid #000;
    padding: 10px;
}

.img-border {
    border: 1px dotted goldenrod;
    border-radius: 10em;
    background: black;
    width: 100%;
    padding: 5px;
    box-shadow: 5px 5px -10px gold inset;
}

.vue-div {
    background: whitesmoke;
    border-radius: 1rem;
    border: 1px solid #000;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 1rem 2rem;
    min-height: 2rem;
    padding: 1rem;
}

.func_items{
    display: flex;
    align-items: center;
    justify-content: center;
    margin: auto;
    width: 90%;
    padding: 1rem;
}

.func_item{
    width: 10vw;
    height:10vw ;
    background: yellow;
    border-radius: 1rem;
    text-align: center;
    align-items: center;
    justify-content: center;
    line-height: 10vw;
    margin: 1rem;
}












.container{
    margin:  1rem auto;
    padding: 1rem;
    width: 80%;
    border-radius: 1rem;
    border: 1px solid #000;
    text-align: center;
}
#footer{
    display: flex;
    align-items: center;
    justify-items: center;
    bottom: 0;
    position: absolute;
    width: 100vw;
}
.footer_msg{
    margin: auto;
}