<!--ПОЛОСЫ ПРОКРУТКИ-->
::-webkit-scrollbar-button {
    background-image:url('');
    background-repeat:no-repeat;
    width:6px;
    height:0px
    }
    
    ::-webkit-scrollbar-track {
    background-color:white;
    box-shadow:0px 0px 3px #000 inset;
    }
    
    ::-webkit-scrollbar-thumb {
    -webkit-border-radius: 5px;
    border-radius: 5px;
    background-color:rgb(113, 194, 235);
    box-shadow:0px 1px 1px #fff inset;
    background-image:url('59610063.png');
    background-position:center;
    background-repeat:no-repeat;
    }
    
    ::-webkit-resizer{
    background-image:url('');
    background-repeat:no-repeat;
    width:7px;
    height:0px
    }
    
    ::-webkit-scrollbar{
    width: 11px;
    }

    <!--ЗАГОЛОВКИ-->
   
  .header-h1 {
    text-align: center;
    margin-bottom: .5rem;
  }
  .header-h1 h1 {
    background: #2c66be;
    margin-bottom: 0;
    padding: .5rem 1rem;
    font-size: 1.25rem;
    text-transform: uppercase;
    color: #fff;
  }
  <!--СЛАЙДЕР-->
  .slide {
    width: 500px;
    height: 300px;
    border: 1px solid #888;
    position: relative;
    text-align: center;
}
.slide  input {
    display: none;
}

.slide  input + label {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 8px;
    background: rgba(90, 90, 90, 0.8);
    border: 2px solid rgba(190, 190, 190, 0.8);

    cursor: pointer;

    z-index: 100;
    position: relative;

    margin-right: 4px;
    top: 90%;

    transition: background 0.8s ease-out 0s;
}

.slide  input + label:hover {
    background: rgba(250, 250, 250, 0.8);
}

.slide  input:checked + label {
    background: rgba(220, 220, 220, 0.8);
}

.slide  div {
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    z-index: 0;
}

.slide  div {
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.8s ease-out 0.1s, visibility 0.1s ease-out 0.9s;
}


.slide  input:checked + label + div {
    visibility: visible;
    opacity: 1;
    transition: opacity 0.8s ease-out 0.1s, visibility 0.1s ease-out 0s;
}

.slide  div  p {
    position: absolute;
font-size:18px;
    top: 0px;
    left: 0px;
    right: 0px;
    text-align: center;
    color: #fff;
    text-shadow: 2px 2px 3px #222;
}
.block {
width: 250px;
height: 250px;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
margin: auto;
}
  <!--БЛОКИ-->

.slider_big
{
float:bottom;
}
.logosite
{
margin-left: auto;
margin-right: auto;
width: 67em
}
.slider_big{
width: 100%;
background: rgba(177, 219, 240, 0.800);
}

.this_content
{
background: rgba(255, 255, 255, 0.525);
padding-right: 10px;
padding-left: 10px;
padding-bottom: 10px;
}


.bottomtext {
background: rgba(255, 255, 255, 0.525);
}


.blockTestimonial{
background: rgba(117, 193, 255, 0.425);
padding: 2px;
}