틀:사용자:Cerulean/but/styles.css

.mw-collapsible-toggle .line:after, .mw-collapsible-toggle .line:before {
	content: "";
	position: absolute;
    border-left: 1.5px solid black;
    left: 1em;
    height: 1em;
    transition: all cubic-bezier(.17,.84,.44,1) 0.6s;
    top: 0.25em;
}
.mw-collapsible-toggle .line {
	position: relative;
}
.mw-collapsible-toggle .line:after {
	transform: rotate(-45deg)translate(-0.2em, calc(-0.2em + 1px))scale(0.75);
}
.mw-collapsible-toggle .line:before {
	transform: rotate(45deg)translate(0.2em, calc(-0.2em + 2px))scale(0.75);
}

.mw-collapsible-toggle-expanded .line:after {
	transform: rotate(-45deg);
}
.mw-collapsible-toggle-expanded .line:before {
	transform: rotate(45deg);
}

.drop-shadow {
    filter: drop-shadow(0 0 1px LIGHTGRAY);
}