@font-face {
    font-family: KozGoPro-Regular;
    src: url("fonts/KozGoPro-Regular.otf");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: KozGoPro-Light;
    src: url("fonts/KozGoPro-Light.otf");
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: KozGoPro-ExtraLight;
    src: url("fonts/KozGoPro-ExtraLight.otf");
    font-weight: normal;
    font-style: normal;
}

html, body{
    width: 100%;
    height: 100%;
}




.slider {
    -webkit-appearance: none;
    width: 230px;
    height: 1px;
    border-radius: 3px;
    background: #d3d3d3;
    outline: none;
    opacity: 0.9;
    -webkit-transition: .2s;
    transition: opacity .2s;
}

.slider:hover {
    opacity: 1;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #007AFF;
    cursor: pointer;
}

.slider::-moz-range-thumb {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #007AFF;
    cursor: pointer;
}

.main-title {
    font-family: KozGoPro-Regular;
}

#class_list li{
    display: inline-block;
    background: #f8f8f8;
    margin: 3px;
    padding: 1px 9px;
    border-radius: 12px;
}