phantasmal-world/src/core/gui/Button.css

.core_Button {
    display: inline-block;
    box-sizing: border-box;
    background-color: #404040;
    height: 26px;
    padding: 2px 8px;
    border: solid 1px #606060;
    color: #f0f0f0;
    outline: none;
}

.core_Button:hover {
    background-color: #505050;
    border-color: #707070;
}

.core_Button:active {
    background-color: #404040;
    border-color: #606060;
    color: #e0e0e0;
}