.sb {
    font-weight: bold !important;
}
.sb_clicked {
    background-color: darkred !important;
}
.blow_clicked {
    background-color: red !important;
}
.color-overlay {
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   background-color: black;
   opacity: 0.8;
}

.ust {
	background-image: url('../img/1.gif');
	background-repeat: no-repeat;
	display:flex;
}
.orta {
	background-image: url('../img/2.gif');
	background-repeat: no-repeat;
	display:flex;
}
.alt {
	background-image: url('../img/3.gif');
	background-repeat: no-repeat;
	display:flex;
}
.center_contents {
	display: grid;
	margin: auto;
}
.white {
	color:white;
}