This way will help you resize image logo displayed in your device
Open templates/ja_onepage/css/custom.css file
Add new script
/* mobile */ @media (max-width: 767px) {
.logo-image a {
width: 345px;
height: 91px;
background-image: url(../images/robosavvylogo_smartphone.png);
}
}
/* tablet */ @media (min-width: 768px) and (max-width: 979px) {
.logo-image a {
width: 345px;
height: 91px;
background-image: url(../images/robosavvylogo_tablet.png);
}
}
/* fullsize */ @media (min-width: 1200px) {
.logo-image a {
width: 345px;
height: 91px;
background-image: url(../images/robosavvylogo.png);
}
}
And change width and height match with logo image size
Let me know the result