.pagetop{border-color:#000 #000 transparent transparent;border-style:solid;border-width:1px;bottom:5vh;height:30px;position:fixed;right:5vw;transform:rotate(-45deg);transition:all .5s;width:30px}.pagetop:hover{border-color:#fd746c #fd746c transparent transparent;cursor:pointer}.pagetop.is-show{opacity:1;transition:opacity 1s}@media only screen and (max-width:768px){.pagetop{bottom:3vh;right:10vw}}