.border {
  border: 5px double red;
}

.h100 {
  height: 400px;
  
}
.h200 {
  height: 1500px;
}
h1 {
  font-size: 300%;
}
.t30 {
  font-size: 150%;
}
.w500 {
  width: 700px;
}
.dline {
  display: inline-block;
}
div {
  box-shadow: 15px 5px 21px gray;
  border: 1px solid red;
  margin: 20px;
  overflow: scroll;
  background: black;
  float: left;
  color: white;
  width: 100%;
}
.padd {
  padding-left: 30px;
 
}
.h2 {
   font-size: 500%; 
}
}
.2padd {
  padding-left: 170px;
}
.lfloat {
  float: left;
}
p {
  font-size: 120%;
  float: top;
}
.sidenav {
  height: 100%;
  width: 160px;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 0;
  background-color:#ebf5ff;
  overflow-x: hidden;
  padding-top: 20px;
  color: black;
}
.mar {
  margin: 190px;
}
img {
  padding-left: 5px;
  padding-right: 5px;
  padding-top: 5px;
}