index-main/assets/css/base/_body.scss

* {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-font-smoothing: antialiased;
    -o-font-smoothing: antialiased;

    scroll-behavior: smooth;
}
a {
    color: currentColor;
}
button{
    background: none;
    outline: none;
    border: none;
    color: var(--color-txt);
}
iframe{
    border: none;
}

body{
    font-family: var(--font);
    line-height: var(--leading-normal);
    font-size: var(--fs-normal);

    color: var(--color-txt);
    background-color: var(--color-bg);
}

img{
    max-width: 100%;
}

.link-block{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    cursor: pointer;
    // &:hover{
    //     background-color: rgba(255, 0, 0, 0.244);
    // }
}

.swiper-button-next, .swiper-button-prev,
body, #site-header, #site-footer{
    transition: background-color 0.3s ease, color 0.3s ease;
}

@mixin grid-content(){
    display: grid;
    grid-gap: var(--padding-inner);
    grid-template-columns: 2fr 3fr;
    position: relative;
}


@mixin hide-scroll(){
    scrollbar-width: none;
    -ms-overflow-style: none;
    &::-webkit-scrollbar {
    display: none;
    }
}

@mixin clamp($lines) {
  display: -webkit-box;
  -webkit-line-clamp: $lines;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@mixin hover-card-line(){
    border-bottom: var(--border-light);
    &:first-of-type{
        border-top: var(--border-light);
    }
    position: relative;
    &::before{
        content: '';
        width: 100%;
        border-top: 1px solid transparent;
        position: absolute;
        top: -1px;
        left: 0;
    }

    &:hover{
        background-color: var(--grey-950);
        border-color: var(--color-txt);
        &::before{
            border-color: var(--color-txt);
        }
      
    }
}


body.menu-open,
body.is-hidden{
    overflow-y: hidden;
    main, footer, #nav-highlight, .btn--back-to-top{
        transition: opacity .3s ease-in;
        opacity: 0.1;
    }
}