style.css

@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,200;0,300;0,400;0,600;0,800;1,400;1,500;1,1000&family=Poppins:ital,wght@0,400;1,100;1,200&display=swap');
:root{
    --green: #0d9979;
}
*{
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-transform: capitalize;
    text-decoration: none;
    transition: all .5s cubic-bezier(.37, 1.14, .26, 1.24);
}
*::selection{
    background: var(--green);
    color: #fff;
}
html{
    font-size: 62.5%;
    overflow-x: hidden;
}
.btn
{
    height: 3.5rem;
    width: 15rem;
    background: none;
    outline: none;
    border: .2rem solid var(--green);
    color: var(--green);
    font-size: 2rem;
    margin: 1rem 0;
    cursor: pointer;
    z-index: 0;
    position: relative;
}
.btn::before, .btn::after
{
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: var(--green);
    z-index: -1;
    transition: all 0.5s cubic-bezier(.37, 1.14, .26, 1.24);
}
.btn::before
{
    clip-path: polygon(0 0, 0 0, 0 0);
}
.btn:hover:before
{
    clip-path: polygon(0 0, 0 100%, 100% 0);
}
.btn::after
{
    clip-path: polygon(100% 100%, 100% 100%, 100% 100%);
}
.btn:hover:after
{
    
    clip-path: polygon(100% 0%, 0% 100%, 100% 100%);
}
.btn:hover
{
    color: #fff;
}
.heading{
    text-align: center;
    font-size: 4rem;
    color: black;
    padding: 1rem;
    padding-top: 7rem;
}
.heading i{
    color: var(--green);
    font-size: 2rem;
}

body
{
    height: 3000px;
}
header
{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    box-shadow: 0 .1rem .3rem rgba(0,0,0,.3);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 1rem 5rem;
    width: 100%;
}
header .logo{
    color: var(--green);
    font-size: 3rem;
}
header .navbar ul{
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
}
header .navbar ul li{
    margin: 0 1rem;
}
header .navbar ul li a{
    font-size: 2rem;
    color: #666;
}
header .navbar ul li a:hover{
    color: var(--green);
}
header .fa-bars{
    font-size: 3rem;
    color: #666;
    cursor: pointer;
    display: none;
}
.home 
{
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url(nature1.jpg) no-repeat;
    background-size: cover;
    background-position: center;
}
.home .content 
{
    text-align: center;
    padding: 1rem;
}
.home .content h1{
    font-size: 7rem;
    color: var(--green);
}
.home .content p{
    font-size: 1.9rem;
    color: #333;
    padding: 1rem 0;
    width: 70rem;
}
.about .row
{
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
}
.about .row .image 
{
    flex: 1 1 40rem;
    padding: 2rem;
}
.about .row .image img{
    width: 100%;
}
.about .row .content{
    flex: 1 1 40rem;
    padding: 2rem;
}
.about .row .content 
{
    font-size: 1.5rem;
    color: #666;
    padding: 1rem 0;
}

.about .box-container
{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.about .box-container .box{
    padding: 2rem 1rem;
    text-align: center;
    border: .2rem solid var(--green);
    flex: 1 1 20rem;
    margin: 2rem;
}
.about .box-container .box i{
    color: var(--green);
    font-size: 4rem;
}
.about .box-container .box h3{
    color: #333;
    font-size: 2.5rem;
    padding: 1rem 0;
}
.about .box-container .box p{
    color: #6666;
    font-size: 1.7rem;
}
.service{
    background: #f0f0f0;
    min-height: 100vh;
}
.service .box-container
{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    width: 80%;
    margin: 0 auto;
}
.service .box-container .box {
    flex: 1 1 25rem;
    padding: 2rem 1rem;
    text-align: center;
    background: #fff;
   border: .1rem solid var(--green);
    margin: 2rem;
    cursor: pointer;
}
.service .box-container .box i{
    color: var(--green);
    font-size: 4rem;
    padding: 1rem 0;
}
.service .box-container .box h3{
    color: #333;
    font-size: 2rem; 
}
.service .box-container .box p{
    color: #666;
    font-size: 1.5rem;
    padding: 1rem 0;
}
.service .box-container .box a{
    color: #333;
    font-size: 1.7rem;
}
.service .box-container .box a:hover{
    color: var(--green);
}
.service .box-container .box:hover{
    box-shadow: 0 .3rem .5rem rgba(0,0,0,.3);
}
.project
{
    background: #333;
    min-height: 100vh;
}
.project .heading{
    color: #fff;
}
.project .box-container
{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 2rem 0;
    width: 90%;
    margin: 0 auto;
}
.project .box-container .box{
    flex: 1 1 30rem;
    height: 22rem;
    box-shadow: 0 .3rem .5rem #000;
    overflow: hidden;
    position: relative;
    margin: 1rem;
}
.project .box-container .box img{
    height: 100%;
    width: 100%;
    object-fit: cover;
}
.project .box-container .box .icons
{
    height: 100%;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    background: linear-gradient(transparent, rgba(0,0,0,.7));
    transform: scale(0);
}
.project .box-container .box:hover .icons
{
    top:0;
    transform: scale(1);
}
.project .box-container .box .icons a
{
    font-size: 3rem;
    color: #fff;
    margin: 3rem 0;
    text-shadow: 0 .3rem .5rem #000;
    transform: translateY(13rem);
    transition-delay: calc(.2s*var(--i));
}
.project .box-container .box:hover .icons a{
    transform: translateY(0rem);
}

.donate
{
    position: relative;
    z-index: 0;
    min-height: 100vh;
    padding-bottom: 3rem;
}
.donate .video-container video{
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    object-fit: cover;
    z-index: -1;
}
.donate .heading{
    color: #fff;
}
.donate .form-container form{
    width: 80%;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(.4rem);
    box-shadow: 0 .3rem .5rem #000;
    text-align: center;
    border-top: .1rem solid rgba(255, 255, 255, .1);
    border-left: .1rem solid rgba(255, 255, 255, .1);
}
.donate .form-container form .inputBox{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.donate .form-container form .inputBox input, select{
    height: 4rem;
    width: 49%;
    background: #fff;
    color: #333;
    padding:0 1rem;
    margin: 1rem 0;
    font-size: 1.7rem;
    outline: none;
    border: none;
}
.donate .form-container form textarea
{
    height: 20rem;
    width: 100%;
    background: #fff;
    color: #333;
    padding: 1rem;
    margin: 1rem 0;
    font-size: 1.7rem;
    outline: none;
    border: none;
    resize: none;
}
.donate .form-container form input[type="submit"]
{
    color: #fff;
    border-color: #fff;
}
.donate .form-container form input[type="submit"]:hover{
    color: var(--green);
    border-color: var(--green);
    background: #fff;
}
.post{
    min-height: 100vh;
}
.post .box-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 2rem 0;
    
}
.post .box-container .box
{
    width: 35rem;
    box-shadow: 0 .3rem .5rem rgba(0,0,0,.3);
}
.post .box-container .box img{
    height: 23rem;
    width: 100%;
    object-fit: cover;
}
.post .box-container .box .content{
    padding: 1rem;
}
.post .box-container .box .content span{
    font-size: 1.5rem;
    color: #666;
}
.post .box-container .box .content span{
    font-size: 1.5rem;
    color: #666;
}
.post .box-container .box .content span i{
    padding: 1rem 0;
    color: var(--green);
}
.post .box-container .box .content h3{
    font-size: 2.4rem;
    color: #333;
}
.post .box-container .box .content:hover h3{
    text-decoration: underline;
    color: #333;
}
.post .box-container .box .content p{
    color: #666;
    font-size: 1.5rem;
}
.footer{
    background: #333;
}
.footer .box-container{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    width: 95%;
    margin: 0 auto;
}
.footer .box-container .box 
{
    margin: 2rem;
    flex: 1 1 25rem;
}
.footer .box-container .box .logo{
    font-size: 3rem;
    color: var(--green);
}
.footer .box-container .box p{
    font-size: 1.7rem;
    color: #ccc;
    padding: 1rem 0;
}
.footer .box-container .box .share{
    text-align: center;
    font-size: 3rem;
    color: #fff;
}
.footer .box-container .box:nth-child(2) a{
    text-align: center;
    font-size: 1.7rem;
    color: #eee;
    display: block;
    padding: .5rem 0;
}
.footer .box-container .box:nth-child(2) a:hover{
    text-decoration: underline;
}
.footer .box-container .box .letter{
    font-size: 3rem;
    color: #fff;
}
.footer .box-container .box form input[type="email"]
{
    padding: 0 1rem;
    outline: none;
    border: 2rem solid var(--green);
    background: none;
    font-size: 1.7rem;
    color: #fff;
    height: 4rem;
    width: 74%;
}
.footer .box-container .box form button
{

    outline: none;
    border: none;
    background: var(--green);
    font-size: 1.9rem;
    color: #fff;
    height: 4rem;
    width: 25%;
    cursor: pointer;
}
.footer .box-container .box form button:hover{
    color: var(--green);
    background: none;
    border: 1.1rem solid var(--green);
}
.footer .credit
{
    text-align: center;
    color: #fff;
    font-size: 2rem;
    width: 85%;
    margin: 0 auto;
    padding: 2rem 1rem;
    border-top: .1rem solid #ccc;
}
.footer .credit span{
    color:var(--green);
}












@media (max-width:768px)
{
    html {
        font-size: 55%;
    };
    header .fa-bars{
        display: block;
    }
    header .navbar{
        position: fixed;
        top: 6rem;
        left: 0;
        width: 100%;
        border-top: .1rem solid #ccc;
        opacity: 0;

    }
    header .navbar ul {
        flex-flow: column;
        padding: 2rem 0;
        background-color: #fff;
    }
    header .navbar ul li{
        width: 100%;
        text-align: center;
        margin: 1rem 0;
    }
    header .navbar ul li a{
        font-size: 3rem;
        display: block;
    }
    .fa-times{
        transform: rotate(180deg);
    }
}