ButtonStyle.css

input#Button{background-color:red; color:white; border:2px solid white; cursor:pointer; font-weight:bold;
    display:block;
    border-radius: 50px;  
    width:50%;
    margin-left:25%;
    margin-right:25%;}
input#Button:hover{background-color:green; color:white; font-weight:bold; border:2px solid white;  border-radius: 50px; cursor:pointer;
    display:block;
    width:50%;
    margin-left:25%;
    margin-right:25%;}
.link a{background-color:yellow; color:black; border:2px solid black; cursor:pointer; font-family:calibri; text-decoration: none;
    display: block;
    text-align: center;
    border-radius: 50px;
    font-weight: bold;
    width:50%;
    margin-left:25%;
    margin-right:25%;
    }
.link a:hover{background-color:darkblue; color:white; border:2px solid white; cursor:pointer; text-decoration: none;
    display: block;
    text-align: center;
    border-radius: 50px;
    font-weight: bold;
    width:50%;
    margin-left:25%;
    margin-right:25%;
}