*
{
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}
body
{
    overflow-x: hidden;
    background-color:rgb(226, 230, 232);
    background-color: rgba(240, 239, 237, 0.831);
}
.topbg{
    background-color:cadetblue;
    max-width: 100%;
}
.navbar{
    display: flex;
    align-items: center;
}
nav{
    flex: 1;
    text-align: right;
}
.mark a:hover{
    color:black;
    transition: 0.5;
}
.logo{
    padding-right: 10px;
}
nav ul{
    display: inline-block;
    list-style-type: none;
}
nav ul li{
    position: relative;
    right: 50px;
    text-transform: uppercase;
    display: inline-block;
    margin-right: 20px ;
}
a{
   text-decoration:wavy;
   color: white;
}

.aboutus img
{
    position: relative;
    width: 28.5rem;
    height: 38.9rem;
}
.p h1
{
    position: absolute;
    bottom: 16rem;
    left: 65rem;
    font-size: 4rem;
    color: white;
    transition: 0.5;
}
.p h2
{
    position: absolute;
    bottom: 16rem;
    left: 33rem;
    font-size: 4rem;
    color: white;
    transition: 0.5;
}
.p h3
{
    position: absolute;
    bottom: 16rem;
    left: 5rem;
    font-size: 4rem;
    color: white;
    transition: 0.5;
}
.p h1:hover,.p h2:hover,.p h3:hover
{
    transform: scale(1.2);
    z-index: 1;
}

.joinus img
{
    position: relative;
    top: 5rem;
    left: 10rem;
    height: 30rem;
    width: 35rem;
    transition: .5s;
}
.joinus h1
{
    font-size: 3rem;
    position: relative;
    left: 25rem;
    text-align: center;
    bottom: 20rem;
}
.joinus button
{
    position: relative;
    width: 8rem;
    height:2.7rem;
    left: 64rem;
    bottom: 22rem;
    border-radius: 15px;
    z-index: 1;
    overflow: hidden;
}
.joinus button::before 
{
content: "";
position: absolute;
top: 0;
left: 0;
border-radius: 15px;
background-color:crimson;
width: 100%;
height: 100%;
transform: translateX(-200%);
transition: all 1s linear;
}
.joinus button:hover:before 
{
transform: translateX(100%);
z-index: -1;
}
.joinus button a
{
    font-size: 1.5rem;
    color: black;
}
.joinus p
{
    text-align: center;
    position: relative;
    left: 23rem;
    bottom: 12rem;
    border-radius: 15px;
}
.joinus h1:hover
{
    transform: scale(1.1);
}
.joinus img:hover
{
    background: linear-gradient(to right,#42275a,#734b6d);
}