.button-tr{
    background: #cacaca;
    border: 1px solid #000000;
    border-radius: 3px;
    padding: 10px;
    color: #000;
    width: 300px;
    float: right;
    margin-top: 40px;
    margin-bottom: 40px;
}
.button-tr:hover{
    text-decoration: none;
    color: #fff;
    background: #8e8e8e;
}
.button-eng{
    background: #cacaca;
    border: 1px solid #000000;
    border-radius: 3px;
    padding: 10px;
    color: #000;
    width: 300px;
    float: left;
    margin-top: 40px;
    margin-bottom: 40px;
}
.button-eng:hover{
    text-decoration: none;
    color: #fff;
    background: #8e8e8e;
}