html,
body{
    height: 100%;
}
body{
    display: flex;
    align-items: center;
}
.btn {
    text-align: center;
    transition: all 500ms ease;
    position: absolute;
    top: 56%;
    left: 46%;
    animation: up ease 1s infinite;
    box-shadow: rgba(14, 30, 37, 0.12) 0px 2px 4px 0px, rgba(14, 30, 37, 0.32) 0px 2px 16px 0px
}
.btn a{
    padding: 20px;
    border-radius: 10px;
    background: rgb(233 135 16);
    color: rgba(250,250,250,1);
    text-decoration: none;
}

.btn a:hover{
    text-decoration: underline;
}
.btn:before {
    content: "";
    width: 0;
    height: 0;
    position: absolute;
    margin: 30px 0 0 30px;
    border-top: 5px solid #1F2C71;
    border-right: 12px solid transparent;
    border-left: 12px solid transparent;
}