.button {
   background-color:lightgray; /* Green */
    border: none;
    color: white;
    padding: 5px 10px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 2px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
}

.button1 {
    background-color:whitesmoke;
    color: black;
    border: 1px solid  silver;
    border-radius: 5px;
}

    .button1:hover {
        background-color: #4CAF50; /*Green*/
        color: white;
    }

.button2 {
    background-color: white;
    color: black;
    border: 1px solid #008CBA;
    border-radius: 5px;
}

    .button2:hover {
        background-color: #008CBA; /*Blue*/
        color: white;
    }


.button3 {
    background-color: lightpink;
    color: crimson;
    border: 1px solid silver;
    border-radius: 5px;
}

    .button3:hover {
        background-color: red; /*Green*/
        color: white;
    }


.button4 {
    background-color: white;
    color: black;
    padding: 0px;
    border: 0px solid #e7e7e7;
    border-radius: 10px;
    display: inline-block;
    font-size: 14px;
    margin: 0px ;
    height:24px;
    transition-duration: 0.4s;
}

    .button4:hover {
        background-color: #0ff595;
        color: white;
    }

.button5 {
    background-color: white;
    color: black;
    border: 1px solid #555555;
}

    .button5:hover {
        background-color: #555555; /*Black*/
        color: white;
    }

.btn_refresh {
    background-color: white;
    color: black;
    border: 1px solid #e7e7e7;
    border-radius: 5px;
}

    .btn_refresh:hover {
        background-color: #555555; /*Green*/
        color: white;
    }


.button6 {
    background-color: white;
    color: black;
    padding: 0px;
    border: 0px solid #e7e7e7;
    border-radius: 10px;
    display: inline-block;
    font-size: 14px;
    margin: 0px;
    height: 24px;
    transition-duration: 0.4s;
}

    .button6:hover {
        background-color: #f5eb62; 
        color: white;
    }


.button7 {
    background-color: white;
    color: black;
    padding: 0px;
    border: 0px solid #e7e7e7;
    border-radius: 10px;
    display: inline-block;
    font-size: 14px;
    margin: 0px;
    height: 24px;
    transition-duration: 0.4s;
}

    .button7:hover {
        background-color: #fa5773;
        color: white;
    }