a {
    text-decoration: none;
}
.button1 {
    background-image: linear-gradient(to bottom, #387EBD, #4CA1EF);
    color: #fff;
    border-width: 1px 1px 0px 0px;
    border-color: #65D5FF #1D4E7B #1D4E7B #1D4E7B;
    border-radius: 5px;
    width: 80px;
    height: 26px;
    font-size: 16;
    font-weight: bold;
    cursor: pointer;
}
.button1:hover {
    color: #153756;
}
.button2 {
    background-image: linear-gradient(to bottom, #eaf2f8, #85c1e9);
    color: #1a5276;
    border-width: 1px 1px 0px 0px;
    border-color: #1D4E7B #000 #000 #000;
    border-radius: 5px;
    width: 100px;
    height: 40px;
    font-size: 20;
    cursor: pointer;
}
.button2:hover {
    background-image: linear-gradient(to bottom, #85c1e9, #85c1e9);
    color: #fff;
}
.button3 {
    background-image: linear-gradient(to bottom, #7b241c, #cd6155);
    color: #fff;
    border-width: 1px 1px 0px 0px;
    border-color: #f5b7b1 #c0392b #c0392b #c0392b;
    border-radius: 5px;
    width: 80px;
    height: 26px;
    font-size: 16;
    font-weight: bold;
    cursor: pointer;
}
.button3:hover {
    color: #fef9e7;
}
.button4 {
    background-image: linear-gradient(to bottom, #387EBD, #4CA1EF);
    color: #273746;
    border-width: 1px 1px 1px 0px;
    border-color: #65D5FF #1D4E7B #1D4E7B #1D4E7B;
    border-radius: 5px;
    width: 100px;
    height: 35px;
    font-size: 16;
    font-weight: bold;
    cursor: pointer;
}
.button4:hover {
    color: #fff;
}