.btninvest{
    border: none;
  display: block;
  text-align: center;
  cursor: pointer;
  text-transform: uppercase;
  outline: none;
  overflow: hidden;
  position: relative;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  background-color: #222;
  padding: 17px 60px;
  margin: 0 auto;
  box-shadow: 0 5px 15px rgba(0,0,0,0.20);
  margin: 5rem;
  border-radius: 5px;
}

.btninvest:after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    height: 490%;
    width: 0%;
    -webkit-transition: all .5s ease-in-out;
    transition: all .5s ease-in-out;
    -webkit-transform: translateX(-98%) translateY(-25%) rotate(45deg);
    transform: translateX(-98%) translateY(-25%) rotate(45deg);
}

.btninvest:hover {
    background-color: rgb(231, 232, 236);
    border: none;
    box-shadow: rgba(red, green, blue, alpha);
    transition: all 0.5s ease-in-out;
    box-shadow: black;
    border-radius: 10px;
}
.btninvest a {
    text-decoration: solid;
}