.homeicon {
    display: flex;
    
    justify-content: center; 

    position: relative;

    padding:0px 0px 0px 0px; /* 上右下左 */
    margin:2vh 0px 0px 10vw;
    font-size: 5vh; 
}

.contact_icon {
    display: flex;
    justify-content: center; 

    padding:0px 0px 0px 0px; /* 上右下左 */
    margin:5px 10px 5px 10px;
}