layout-mobile.css

html,
body {
    touch-action: none;
}

#sNotesRadio {
    position: absolute;
    top: 135px;
    height: 30px;
    right: 15px;
    width: calc(50% - 15px);
    font-size: 14px;
    transform: translateY(3px);
}

#notesRadio {
    transform: translateY(2px);
}

#sTonesRadio {
    background-color: transparent;
    position: absolute;
    top: 160px;
    right: 15px;
    width: calc(50% - 15px);
    font-size: 14px;
    transform: translateY(-3px);
}

#tonesRadio {
    transform: translateY(2px);
}

#logo {
    height: 96px;
    width: 96px;
    padding: 20px;
}

#title {
    font-size: max(20px, min(6.0vw, 60px));
    position: absolute;
    margin: 0px;
    padding: 0px;
    top: 20px;
    width: calc(100% - 130px);
    margin-left: 128px;
    text-align: left;
}

#subtitle {
    font-size: 15px;
    top: 100px;
    position: absolute;
    margin: 0px;
    padding: 0px;
    margin-left: 128px;
    width: calc(100% - 130px);
    text-align: left;
}

#startChord {
    position: absolute;
    top: 170px;
    left: 0px;
    box-sizing: border-box;
    margin: 20px;
    margin-left: 10px;
    margin-right: 10px;
    width: calc(50% - 15px);
    height: 40px;
}

#endChord {
    position: absolute;
    top: 170px;
    right: 0px;
    box-sizing: border-box;
    margin: 20px;
    margin-right: 10px;
    margin-left: 10px;
    width: calc(50% - 15px);
    height: 40px;
}

#sTonesSelector {
    position: absolute;
    top: 170px;
    right: 0px;
    text-align: right;
    box-sizing: border-box;
    margin: 20px;
    margin-right: 10px;
    margin-left: 10px;
    padding-left: 10px;
    width: calc(100% - 20px);
    height: 40px;
}

#calculate {
    position: absolute;
    top: 120px;
    left: 0px;
    box-sizing: border-box;
    margin: 20px;
    margin-left: 10px;
    width: calc(50% - 15px);
    height: 40px;
    border-radius: 8px;
}

#input {
    resize: none;
    position: absolute;
    top: 230px;
    left: 0px;
    box-sizing: border-box;
    margin: 10px;
    width: calc(100% - 20px);
    height: calc(100% - 315px);
}

#output {
    resize: none;
    position: absolute;
    top: 230px;
    box-sizing: border-box;
    margin: 10px;
    left: 0px;
    width: calc(100% - 20px);
    visibility: hidden;
    height: calc(100% - 315px);
}

#bottom {
    position: absolute;
    bottom: 0px;
    margin: 0px;
    left: 0px;
    width: 100%;
    height: 60px;
    text-align: center;
    vertical-align: middle;
}

#edittext {
    position: absolute;
    top: 235px;
    right: 5px;
    height: 48px;
    width: 48px;
    font-size: 20pt;
    margin: 10px;
    visibility: hidden;
    border: 0px solid black;
}