html,
div,
body,
canvas {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 0;
    -webkit-app-region: drag;
    background: black;
    overflow: hidden;
}

#container {
    display: -webkit-flex;
    -webkit-flex-direction: column;
    text-align: center;
    //  filter: sepia(1) hue-rotate(230deg) saturate(2); // set mono colour green
}


canvas {
    width: 100vw;
    height: 100vh;
    -webkit-transition: 1s opacity;
    background: black;
    background-color: transparent;
    background-size: 100vw 100vh;
    z-index: 999;
    // filter: blur(1px);
}


splash {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/splash.jpg);
    background-size: 100vw 100vh;
    background-color: black;
    opacity: 1;
    z-index: 1002;
    -webkit-app-region: no-drag;
}


crosshairs {
    position: absolute;
    top: 45vw;
    left: 45vh;
    width: 10vw;
    height: 10vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/crosshairs.png);
    background-size: 10vw 10vh;
    background-color: transparent;
    opacity: 1;
    z-index: 901;
    pointer-events: none;
    -webkit-app-region: no-drag;
}

#tsparticles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background-size: 100vw 100vh;
    background-size: 100vw 100vh;
    opacity: 1;
    z-index: 900;
    -webkit-app-region: no-drag;
}

main {
    position: absolute;
    background: black;
    top: 0vh;
    width: 100%;
    height: 100%;
    text-align: center;
    background-color: black;
}

.invisible {
    -webkit-transition: 0s opacity;
    opacity: 0;
}

button {
    position: absolute;
    top: 21vh;
    left: 17.35vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/1.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button:hover {
    opacity: 1.0;
}

button1 {
    position: absolute;
    top: 21vh;
    left: 36.5vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/2.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button1:hover {
    opacity: 1.0;
}

button2 {
    position: absolute;
    top: 21vh;
    left: 55.7vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/3.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;

    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button2:hover {
    opacity: 1.0;
}


button3 {
    position: absolute;
    top: 21vh;
    left: 75.0vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/4.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button3:hover {
    opacity: 1.0;
}

button4 {
    position: absolute;
    top: 55vh;
    left: 17.3vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/5.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button4:hover {
    opacity: 1.0;
}

button5 {
    position: absolute;
    top: 55vh;
    left: 36.67vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/6.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button5:hover {
    opacity: 1.0;
}

button6 {
    position: absolute;
    top: 55vh;
    left: 55.8vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/7.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button6:hover {
    opacity: 1.0;
}

button7 {
    position: absolute;
    top: 55vh;
    left: 75.15vw;
    width: 15vw;
    height: 19vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/8.png);
    background-color: #FFFFFF;
    background-size: 15vw 19vh;
    opacity: 0.7;
    z-index: 1003;
    -webkit-app-region: no-drag;
}

button7:hover {
    opacity: 1.0;
}

ibuttonl {
    position: absolute;
    top: 4vh;
    left: 2vw;
    width: 8vh;
    height: 8vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/home.png);
    background-size: 8vh 8vh;
    opacity: 0.8;
    z-index: 990;
    -webkit-app-region: no-drag;
}

ibuttonl:hover {
    background-size: 8vh 8vh;
    opacity: 1.0;
}

ibuttonl:active {
    background-size: 8vh 8vh;
    opacity: 0.2;
    left: 2vw;
    top: 4vh;
}

ibuttonr {
    position: absolute;
    top: 4vh;
    left: 80vw;
    width: 8vh;
    height: 8vh;
    border-radius: 0vh;
    border: none;
    outline: none;
    cursor: pointer;
    background: url(../images/buttonr.png);
    background-size: 8vh 8vh;
    opacity: 0.8;
    z-index: 990;
    -webkit-app-region: no-drag;
}

ibuttonr:hover {
    background-size: 8vh 8vh;
    opacity: 1.0;
}

ibuttonr:active {
    background-size: 8vh 8vh;
    opacity: 0.2;
    left: 80vw;
    top: 4vh;
}