_slider.scss

.main-slider {
    position: relative;
    top: 50px;
    width: 100%;
    height: calc(100vh - 50px);
    // @include grid_2x(300px, 1fr);
    &.no-top {
        top: 0;
    }
    .col-1 {
        position: relative;
        width: 100%;
        height: 100%;
        overflow: hidden;
        // @include column_n(1);
    }
    .col-2 {
        position: relative;
        // @include column_n(2);
    }
}

.main-slider-form {
    position: relative;
    top: 0;
    width: 100%;
    height: calc(100vh - 50px);
    background-color: #fff;
    .col-1 {
        position: relative;
        width: 100%;
    }
    .col-2 {
        position: relative;
        width: 100%;
    }
    .m-s-f-place {
        position: absolute;
        top: 0;
        left: 0;
        width: calc(100%);
        min-width: 500px;
        height: calc(100vh - 50px);
    }
    .m-s-f-side {
        height: calc(100vh - 50px);
    }
}

.Resizer {
    background: rgba(0,0,0,0.34);
    opacity: .2;
    z-index: 1;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -moz-background-clip: padding;
    -webkit-background-clip: padding;
    background-clip: padding-box;
}

 .Resizer:hover {
    -webkit-transition: all 1s ease;
    transition: all 1s ease;
}

 .Resizer.horizontal {
    height: 11px;
    margin: -5px 0;
    border-top: 5px solid rgba(255, 255, 255, 0);
    border-bottom: 5px solid rgba(255, 255, 255, 0);
    cursor: row-resize;
    width: 100%;
}

.Resizer.horizontal:hover {
    border-top: 5px solid rgba($color: $green, $alpha: 0.84);
    border-bottom: 5px solid rgba($color: $green, $alpha: 0.84);
    background-color: $green;
}

.Resizer.vertical {
    width: 11px;
    margin: 0 -5px;
    border-left: 5px solid rgba(255, 255, 255, 0);
    border-right: 5px solid rgba(255, 255, 255, 0);
    cursor: col-resize;
}

.Resizer.vertical:hover {
    border-left: 5px solid rgba($color: $green, $alpha: 0.84);
    border-right: 5px solid rgba($color: $green, $alpha: 0.84);
    background-color: $green;
}
.Resizer.disabled {
  cursor: not-allowed;
}
.Resizer.disabled:hover {
  border-color: transparent;
}